[BAEL-18306-1] - Fixed conflicts

.gitignore

@@ -30,7 +30,7 @@ out/
 .DS_Store
 
 # Maven
-log/
+log/*
 target/
 
 # Gradle

algorithms-miscellaneous-3/README.md

@@ -14,4 +14,6 @@ This module contains articles about algorithms. Some classes of algorithms, e.g.
 - [A Guide to the Folding Technique in Java](https://www.baeldung.com/folding-hashing-technique)
 - [Creating a Triangle with for Loops in Java](https://www.baeldung.com/java-print-triangle)
 - [Efficient Word Frequency Calculator in Java](https://www.baeldung.com/java-word-frequency)
-- More articles: [[<-- prev]](/algorithms-miscellaneous-2) [[next -->]](/algorithms-miscellaneous-4)
+- [Interpolation Search in Java](https://www.baeldung.com/java-interpolation-search)
+- [The K-Means Clustering Algorithm in Java](https://www.baeldung.com/java-k-means-clustering-algorithm)
+- More articles: [[<-- prev]](/algorithms-miscellaneous-2) [[next -->]](/algorithms-miscellaneous-4)

algorithms-sorting/README.md

@@ -12,3 +12,7 @@ This module contains articles about sorting algorithms.
 - [Shell Sort in Java](https://www.baeldung.com/java-shell-sort)
 - [Counting Sort in Java](https://www.baeldung.com/java-counting-sort)
 - [Sorting Strings by Contained Numbers in Java](https://www.baeldung.com/java-sort-strings-contained-numbers)
+- [How an In-Place Sorting Algorithm Works](https://www.baeldung.com/java-in-place-sorting)
+- [Selection Sort in Java](https://www.baeldung.com/java-selection-sort)
+- [Sorting Strings by Contained Numbers in Java](https://www.baeldung.com/java-sort-strings-contained-numbers)
+- [Radix Sort in Java](https://www.baeldung.com/java-radix-sort)

apache-shiro/README.md

@@ -4,4 +4,6 @@ This module contains articles about Apache Shiro
 
 ### Relevant articles:
 
-- [Introduction to Apache Shiro](https://www.baeldung.com/apache-shiro)
+- [Introduction to Apache Shiro](https://www.baeldung.com/apache-shiro)
+- [Permissions-Based Access Control with Apache Shiro](https://www.baeldung.com/apache-shiro-access-control)
+

apache-spark/README.md

@@ -6,3 +6,5 @@ This module contains articles about Apache Spark
 
 - [Introduction to Apache Spark](https://www.baeldung.com/apache-spark)
 - [Building a Data Pipeline with Kafka, Spark Streaming and Cassandra](https://www.baeldung.com/kafka-spark-data-pipeline)
+- [Machine Learning with Spark MLlib](https://www.baeldung.com/spark-mlib-machine-learning)
+

blade/pom.xml

@@ -3,19 +3,14 @@
     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
 
     <modelVersion>4.0.0</modelVersion>
-    <!-- WITH THIS mvn integration-test DOES WORK -->
-    <groupId>com.baeldung</groupId>
     <artifactId>blade</artifactId>
-    <version>1.0.0-SNAPSHOT</version>
     <name>blade</name>
 
-
+	<parent>
-    <!-- WITH THIS mvn integration-test DOESN'T WORK -->
+		<groupId>com.baeldung</groupId>
-    <!-- <parent> -->
+		<artifactId>parent-modules</artifactId>
-    <!-- <groupId>com.baeldung</groupId> -->
+		<version>1.0.0-SNAPSHOT</version>
-    <!-- <artifactId>parent-modules</artifactId> -->
+	</parent>
-    <!-- <version>1.0.0-SNAPSHOT</version> -->
-    <!-- </parent> -->
 
     <dependencies>
         <dependency>
@@ -45,12 +40,6 @@
         </dependency>
 
         <!-- TEST -->
-        <dependency>
-            <groupId>junit</groupId>
-            <artifactId>junit</artifactId>
-            <version>${junit.version}</version>
-            <scope>test</scope>
-        </dependency>
         <dependency>
             <groupId>org.assertj</groupId>
             <artifactId>assertj-core</artifactId>
@@ -79,20 +68,6 @@
     <build>
         <finalName>sample-blade-app</finalName>
         <plugins>
-
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-surefire-plugin</artifactId>
-                <version>${maven-surefire-plugin.version}</version>
-                <configuration>
-                    <forkCount>3</forkCount>
-                    <reuseForks>true</reuseForks>
-                    <excludes>
-                        <exclude>**/*LiveTest.java</exclude>
-                    </excludes>
-                </configuration>
-            </plugin>
-
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-failsafe-plugin</artifactId>
@@ -172,34 +147,19 @@
                     </execution>
                 </executions>
             </plugin>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-compiler-plugin</artifactId>
-                <version>${maven-compiler-plugin.version}</version>
-                <configuration>
-                    <source>${maven.compiler.source}</source>
-                    <target>${maven.compiler.target}</target>
-                    <encoding>UTF-8</encoding>
-                </configuration>
-            </plugin>
         </plugins>
     </build>
 	
     <properties>
-        <maven.compiler.source>1.8</maven.compiler.source>
-        <maven.compiler.target>1.8</maven.compiler.target>
 		<blade-mvc.version>2.0.14.RELEASE</blade-mvc.version>
 		<bootstrap.version>4.2.1</bootstrap.version>
 		<commons-lang3.version>3.8.1</commons-lang3.version>
 		<lombok.version>1.18.4</lombok.version>
-		<junit.version>4.12</junit.version>
 		<httpclient.version>4.5.6</httpclient.version>
 		<httpmime.version>4.5.6</httpmime.version>
 		<httpcore.version>4.4.10</httpcore.version>
 		<assertj-core.version>3.11.1</assertj-core.version>
 		<maven-failsafe-plugin.version>3.0.0-M3</maven-failsafe-plugin.version>
 		<process-exec-maven-plugin.version>0.7</process-exec-maven-plugin.version>
-		<maven-surefire-plugin.version>2.21.0</maven-surefire-plugin.version>
-		<maven-compiler-plugin.version>3.7.0</maven-compiler-plugin.version>
     </properties>
 </project>

bootique/pom.xml

@@ -42,12 +42,6 @@
             <artifactId>bootique-test</artifactId>
             <scope>test</scope>
         </dependency>
-        <dependency>
-            <groupId>junit</groupId>
-            <artifactId>junit</artifactId>
-            <version>${junit.version}</version>
-            <scope>test</scope>
-        </dependency>
     </dependencies>
 
     <build>

cas/cas-server/pom.xml

@@ -198,7 +198,6 @@
 
         <wrapper-maven-plugin.version>0.0.4</wrapper-maven-plugin.version>
         <maven-war-plugin.version>2.6</maven-war-plugin.version>
-        <maven-compiler-plugin.version>3.3</maven-compiler-plugin.version>
         
         <echo-maven-plugin.version>0.3.0</echo-maven-plugin.version>
         <pgpverify-maven-plugin.version>1.1.0</pgpverify-maven-plugin.version>

cdi/pom.xml

@@ -36,12 +36,6 @@
             <version>${assertj-core.version}</version>
             <scope>test</scope>
         </dependency>
-        <dependency>
-            <groupId>junit</groupId>
-            <artifactId>junit</artifactId>
-            <version>${junit.version}</version>
-            <scope>test</scope>
-        </dependency>
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-context</artifactId>

checker-plugin/pom.xml

@@ -1,7 +1,6 @@
 <project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
-    <groupId>com.baeldung</groupId>
     <artifactId>checker-plugin</artifactId>
     <version>1.0-SNAPSHOT</version>
     <name>checker-plugin</name>

cloud-foundry-uaa/cf-uaa-oauth2-client/pom.xml

@@ -4,7 +4,6 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.example</groupId>
     <artifactId>cf-uaa-oauth2-client</artifactId>
-    <version>0.0.1-SNAPSHOT</version>
     <name>uaa-client-webapp</name>
     <description>Demo project for Spring Boot</description>
 

cloud-foundry-uaa/cf-uaa-oauth2-resource-server/pom.xml

@@ -4,7 +4,6 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.baeldung.cfuaa</groupId>
     <artifactId>cf-uaa-oauth2-resource-server</artifactId>
-    <version>0.0.1-SNAPSHOT</version>
     <name>cf-uaa-oauth2-resource-server</name>
     <description>Demo project for Spring Boot</description>
 

code-generation/pom.xml

@@ -1,7 +1,6 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
-    <groupId>com.baeldung</groupId>
     <artifactId>code-generation</artifactId>
     <version>1.0</version>
     <name>code-generation</name>

core-groovy-2/README.md

@@ -11,4 +11,5 @@ This module contains articles about core Groovy concepts
 - [Integrating Groovy into Java Applications](https://www.baeldung.com/groovy-java-applications)
 - [Concatenate Strings with Groovy](https://www.baeldung.com/groovy-concatenate-strings)
 - [Metaprogramming in Groovy](https://www.baeldung.com/groovy-metaprogramming)
-- [[<-- Prev]](/core-groovy)
+- [A Quick Guide to Working with Web Services in Groovy](https://www.baeldung.com/groovy-web-services)
+- [[<-- Prev]](/core-groovy)

core-groovy-2/pom.xml

@@ -181,10 +181,8 @@
         <hsqldb.version>2.4.0</hsqldb.version>
         <spock-core.version>1.1-groovy-2.4</spock-core.version>
         <groovy-wslite.version>1.1.3</groovy-wslite.version>        
-        <maven-compiler-plugin.version>3.8.1</maven-compiler-plugin.version>
         <logback.version>1.2.3</logback.version>
         <groovy.version>2.5.7</groovy.version>
-        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     </properties>
 </project>
 

core-groovy/pom.xml

@@ -109,9 +109,6 @@
 
     <properties>
         <junit.platform.version>1.0.0</junit.platform.version>
-<!--         <groovy.version>2.4.13</groovy.version> -->
-<!--         <groovy-all.version>2.4.13</groovy-all.version> -->
-<!--         <groovy-sql.version>2.4.13</groovy-sql.version> -->
         <groovy.version>2.5.6</groovy.version>
         <groovy-all.version>2.5.6</groovy-all.version>
         <groovy-sql.version>2.5.6</groovy-sql.version>

core-java-modules/core-java-8-2/pom.xml

@@ -3,7 +3,6 @@
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
-    <groupId>com.baeldung</groupId>
     <artifactId>core-java-8-2</artifactId>
     <version>0.1.0-SNAPSHOT</version>
     <name>core-java-8-2</name>
@@ -30,24 +29,7 @@
         </dependency>
     </dependencies>
 
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-compiler-plugin</artifactId>
-                <version>${maven-compiler-plugin.version}</version>
-                <configuration>
-                    <source>${maven.compiler.source}</source>
-                    <target>${maven.compiler.target}</target>
-                </configuration>
-            </plugin>
-        </plugins>
-    </build>
-
     <properties>
-        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <maven.compiler.source>1.8</maven.compiler.source>
-        <maven.compiler.target>1.8</maven.compiler.target>
         <icu.version>64.2</icu.version>
         <assertj.version>3.12.2</assertj.version>
     </properties>

core-java-modules/core-java-8/pom.xml

@@ -1,7 +1,6 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
-    <groupId>com.baeldung</groupId>
     <artifactId>core-java-8</artifactId>
     <version>0.1.0-SNAPSHOT</version>
     <name>core-java-8</name>
@@ -20,31 +19,11 @@
             <artifactId>commons-collections4</artifactId>
             <version>${commons-collections4.version}</version>
         </dependency>
-        <dependency>
-            <groupId>commons-io</groupId>
-            <artifactId>commons-io</artifactId>
-            <version>${commons-io.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.commons</groupId>
-            <artifactId>commons-lang3</artifactId>
-            <version>${commons-lang3.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.commons</groupId>
-            <artifactId>commons-math3</artifactId>
-            <version>${commons-math3.version}</version>
-        </dependency>
         <dependency>
             <groupId>log4j</groupId>
             <artifactId>log4j</artifactId>
             <version>${log4j.version}</version>
         </dependency>
-        <dependency>
-            <groupId>commons-codec</groupId>
-            <artifactId>commons-codec</artifactId>
-            <version>${commons-codec.version}</version>
-        </dependency>
         <dependency>
             <groupId>org.projectlombok</groupId>
             <artifactId>lombok</artifactId>
@@ -58,64 +37,6 @@
             <version>${assertj.version}</version>
             <scope>test</scope>
         </dependency>
-        <dependency>
-            <groupId>com.jayway.awaitility</groupId>
-            <artifactId>awaitility</artifactId>
-            <version>${avaitility.version}</version>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>org.openjdk.jmh</groupId>
-            <artifactId>jmh-core</artifactId>
-            <version>${jmh-core.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.openjdk.jmh</groupId>
-            <artifactId>jmh-generator-annprocess</artifactId>
-            <version>${jmh-generator.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.openjdk.jmh</groupId>
-            <artifactId>jmh-generator-bytecode</artifactId>
-            <version>${jmh-generator.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>com.codepoetics</groupId>
-            <artifactId>protonpack</artifactId>
-            <version>${protonpack.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>io.vavr</groupId>
-            <artifactId>vavr</artifactId>
-            <version>${vavr.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>joda-time</groupId>
-            <artifactId>joda-time</artifactId>
-            <version>${joda.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.aspectj</groupId>
-            <artifactId>aspectjrt</artifactId>
-            <version>${asspectj.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.aspectj</groupId>
-            <artifactId>aspectjweaver</artifactId>
-            <version>${asspectj.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.powermock</groupId>
-            <artifactId>powermock-module-junit4</artifactId>
-            <version>${powermock.version}</version>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>org.powermock</groupId>
-            <artifactId>powermock-api-mockito2</artifactId>
-            <version>${powermock.version}</version>
-            <scope>test</scope>
-        </dependency>
     </dependencies>
 
     <build>
@@ -149,22 +70,10 @@
 
     <properties>
         <!-- util -->
-        <commons-math3.version>3.6.1</commons-math3.version>
         <commons-collections4.version>4.1</commons-collections4.version>
-        <collections-generic.version>4.01</collections-generic.version>
-        <commons-codec.version>1.10</commons-codec.version>
-        <vavr.version>0.9.0</vavr.version>
-        <protonpack.version>1.13</protonpack.version>
-        <joda.version>2.10</joda.version>
         <!-- testing -->
         <assertj.version>3.6.1</assertj.version>
-        <asspectj.version>1.8.9</asspectj.version>
-        <powermock.version>2.0.0-RC.4</powermock.version>
-        <avaitility.version>1.7.0</avaitility.version>
-        <jmh-core.version>1.19</jmh-core.version>
-        <jmh-generator.version>1.19</jmh-generator.version>
-        <spring-boot-maven-plugin.version>2.0.4.RELEASE</spring-boot-maven-plugin.version>
         <!-- plugins -->
-        <maven-surefire-plugin.version>2.22.1</maven-surefire-plugin.version>
+        <spring-boot-maven-plugin.version>2.0.4.RELEASE</spring-boot-maven-plugin.version>
     </properties>
 </project>

core-java-modules/core-java-annotations/pom.xml

@@ -1,7 +1,6 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
-    <groupId>com.baeldung</groupId>
     <artifactId>core-java-annotations</artifactId>
     <version>0.1.0-SNAPSHOT</version>
     <name>core-java-annotations</name>
@@ -14,42 +13,6 @@
         <relativePath>../../parent-java</relativePath>
     </parent>
 
-    <dependencies>
-        <dependency>
-            <groupId>org.apache.commons</groupId>
-            <artifactId>commons-lang3</artifactId>
-            <version>${commons-lang3.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.projectlombok</groupId>
-            <artifactId>lombok</artifactId>
-            <version>${lombok.version}</version>
-            <scope>provided</scope>
-        </dependency>
-        <!-- test scoped -->
-        <dependency>
-            <groupId>org.assertj</groupId>
-            <artifactId>assertj-core</artifactId>
-            <version>${assertj.version}</version>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>org.openjdk.jmh</groupId>
-            <artifactId>jmh-core</artifactId>
-            <version>${jmh-core.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.openjdk.jmh</groupId>
-            <artifactId>jmh-generator-annprocess</artifactId>
-            <version>${jmh-generator.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.openjdk.jmh</groupId>
-            <artifactId>jmh-generator-bytecode</artifactId>
-            <version>${jmh-generator.version}</version>
-        </dependency>
-    </dependencies>
-
     <build>
         <finalName>core-java-annotations</finalName>
         <resources>
@@ -60,13 +23,4 @@
         </resources>
     </build>
 
-    <properties>
-        <!-- testing -->
-        <assertj.version>3.6.1</assertj.version>
-        <asspectj.version>1.8.9</asspectj.version>
-        <jmh-core.version>1.19</jmh-core.version>
-        <jmh-generator.version>1.19</jmh-generator.version>
-        <!-- plugins -->
-        <maven-surefire-plugin.version>2.22.1</maven-surefire-plugin.version>
-    </properties>
 </project>

core-java-modules/core-java-arrays-2/pom.xml

@@ -1,7 +1,6 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
-    <groupId>com.baeldung</groupId>
     <artifactId>core-java-arrays-2</artifactId>
     <version>0.1.0-SNAPSHOT</version>
     <name>core-java-arrays-2</name>

core-java-modules/core-java-arrays/pom.xml

@@ -1,7 +1,6 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
-    <groupId>com.baeldung</groupId>
     <artifactId>core-java-arrays</artifactId>
     <version>0.1.0-SNAPSHOT</version>
     <name>core-java-arrays</name>
@@ -20,16 +19,6 @@
             <artifactId>commons-lang3</artifactId>
             <version>${commons-lang3.version}</version>
         </dependency>
-        <dependency>
-            <groupId>log4j</groupId>
-            <artifactId>log4j</artifactId>
-            <version>${log4j.version}</version>
-        </dependency>
-        <dependency> <!-- needed to bridge to slf4j for projects that use the log4j APIs directly -->
-            <groupId>org.slf4j</groupId>
-            <artifactId>log4j-over-slf4j</artifactId>
-            <version>${org.slf4j.version}</version>
-        </dependency>
         <!-- test scoped -->
         <dependency>
             <groupId>org.assertj</groupId>
@@ -47,11 +36,6 @@
             <artifactId>jmh-generator-annprocess</artifactId>
             <version>${jmh-generator-annprocess.version}</version>
         </dependency>
-        <dependency>
-            <groupId>org.springframework</groupId>
-            <artifactId>spring-web</artifactId>
-            <version>${springframework.spring-web.version}</version>
-        </dependency>
     </dependencies>
 
     <build>
@@ -64,21 +48,6 @@
         </resources>
 
         <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-surefire-plugin</artifactId>
-                <configuration>
-                    <excludes>
-                        <exclude>**/*LiveTest.java</exclude>
-                        <exclude>**/*IntegrationTest.java</exclude>
-                        <exclude>**/*IntTest.java</exclude>
-                        <exclude>**/*LongRunningUnitTest.java</exclude>
-                        <exclude>**/*ManualTest.java</exclude>
-                    </excludes>
-                    <testFailureIgnore>true</testFailureIgnore>
-                </configuration>
-            </plugin>
-
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-dependency-plugin</artifactId>
@@ -398,8 +367,6 @@
         <assertj-core.version>3.10.0</assertj-core.version>
 
         <!-- maven and spring plugins -->
-        <maven-surefire-plugin.version>2.21.0</maven-surefire-plugin.version>
-        <springframework.spring-web.version>4.3.4.RELEASE</springframework.spring-web.version>
         <maven-javadoc-plugin.version>3.0.0-M1</maven-javadoc-plugin.version>
         <maven-jar-plugin.version>3.0.2</maven-jar-plugin.version>
         <onejar-maven-plugin.version>1.4.4</onejar-maven-plugin.version>

core-java-modules/core-java-collections-2/pom.xml

@@ -2,7 +2,6 @@
     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>core-java-collections-2</artifactId>
-    <version>0.0.1-SNAPSHOT</version>
     <name>core-java-collections-2</name>
     <packaging>jar</packaging>
 

core-java-modules/core-java-collections-array-list/README.md

@@ -7,4 +7,6 @@ This module contains articles about the Java ArrayList collection
 - [Guide to the Java ArrayList](http://www.baeldung.com/java-arraylist)
 - [Add Multiple Items to an Java ArrayList](http://www.baeldung.com/java-add-items-array-list)
 - [ClassCastException: Arrays$ArrayList cannot be cast to ArrayList](https://www.baeldung.com/java-classcastexception-arrays-arraylist)
-- [Multi Dimensional ArrayList in Java](https://www.baeldung.com/java-multi-dimensional-arraylist)
+- [Multi Dimensional ArrayList in Java](https://www.baeldung.com/java-multi-dimensional-arraylist)
+- [Removing an Element From an ArrayList](https://www.baeldung.com/java-arraylist-remove-element)
+

core-java-modules/core-java-collections-array-list/pom.xml

@@ -19,28 +19,16 @@
             <artifactId>commons-collections4</artifactId>
             <version>${commons-collections4.version}</version>
         </dependency>
-        <dependency>
-            <groupId>org.apache.commons</groupId>
-            <artifactId>commons-lang3</artifactId>
-            <version>${commons-lang3.version}</version>
-        </dependency>
         <dependency>
             <groupId>org.assertj</groupId>
             <artifactId>assertj-core</artifactId>
             <version>${assertj.version}</version>
             <scope>test</scope>
         </dependency>
-        <dependency>
-            <groupId>org.projectlombok</groupId>
-            <artifactId>lombok</artifactId>
-            <version>${lombok.version}</version>
-            <scope>provided</scope>
-        </dependency>
     </dependencies>
 
     <properties>
         <commons-collections4.version>4.1</commons-collections4.version>
-        <commons-lang3.version>3.8.1</commons-lang3.version>
         <assertj.version>3.11.1</assertj.version>
     </properties>
 </project>

core-java-modules/core-java-collections-list-2/pom.xml

@@ -19,11 +19,6 @@
             <artifactId>commons-collections4</artifactId>
             <version>${commons-collections4.version}</version>
         </dependency>
-        <dependency>
-            <groupId>org.apache.commons</groupId>
-            <artifactId>commons-lang3</artifactId>
-            <version>${commons-lang3.version}</version>
-        </dependency>
         <dependency>
             <groupId>org.assertj</groupId>
             <artifactId>assertj-core</artifactId>
@@ -39,8 +34,7 @@
     </dependencies>
 
     <properties>
-        <commons-collections4.version>4.1</commons-collections4.version>
+        <commons-collections4.version>4.1</commons-collections4.version>    
-        <commons-lang3.version>3.8.1</commons-lang3.version>
         <assertj.version>3.11.1</assertj.version>
     </properties>
 </project>

core-java-modules/core-java-collections-list-3/pom.xml

@@ -19,23 +19,12 @@
             <artifactId>commons-collections4</artifactId>
             <version>${commons-collections4.version}</version>
         </dependency>
-        <dependency>
-            <groupId>org.apache.commons</groupId>
-            <artifactId>commons-lang3</artifactId>
-            <version>${commons-lang3.version}</version>
-        </dependency>
         <dependency>
             <groupId>org.assertj</groupId>
             <artifactId>assertj-core</artifactId>
             <version>${assertj.version}</version>
             <scope>test</scope>
         </dependency>
-        <dependency>
-            <groupId>org.projectlombok</groupId>
-            <artifactId>lombok</artifactId>
-            <version>${lombok.version}</version>
-            <scope>provided</scope>
-        </dependency>
 
         <dependency>
             <groupId>net.sf.trove4j</groupId>
@@ -67,7 +56,6 @@
 
     <properties>
         <commons-collections4.version>4.1</commons-collections4.version>
-        <commons-lang3.version>3.8.1</commons-lang3.version>
         <assertj.version>3.11.1</assertj.version>
 		<trove4j.version>3.0.2</trove4j.version>
 		<fastutil.version>8.1.0</fastutil.version>

core-java-modules/core-java-collections-list/pom.xml

@@ -30,18 +30,11 @@
             <version>${assertj.version}</version>
             <scope>test</scope>
         </dependency>
-        <dependency>
-            <groupId>org.projectlombok</groupId>
-            <artifactId>lombok</artifactId>
-            <version>${lombok.version}</version>
-            <scope>provided</scope>
-        </dependency>
     </dependencies>
 
     <properties>
         <commons-collections4.version>4.1</commons-collections4.version>
         <commons-lang3.version>3.8.1</commons-lang3.version>
         <assertj.version>3.11.1</assertj.version>
-		<trove4j.version>3.0.2</trove4j.version>
     </properties>
 </project>

core-java-modules/core-java-collections-set/pom.xml

@@ -14,11 +14,6 @@
     </parent>
 
     <dependencies>
-        <dependency>
-            <groupId>com.google.guava</groupId>
-            <artifactId>guava</artifactId>
-            <version>${guava.version}</version>
-        </dependency>
         <dependency>
             <groupId>org.apache.commons</groupId>
             <artifactId>commons-collections4</artifactId>
@@ -38,7 +33,6 @@
 
     <properties>
         <commons-collections4.version>4.3</commons-collections4.version>
-        <guava.version>27.1-jre</guava.version>
         <gson.version>2.8.5</gson.version>
     </properties>
 </project>

core-java-modules/core-java-collections/pom.xml

@@ -30,12 +30,6 @@
             <artifactId>jmh-generator-annprocess</artifactId>
             <version>${openjdk.jmh.version}</version>
         </dependency>
-        <dependency>
-            <groupId>org.projectlombok</groupId>
-            <artifactId>lombok</artifactId>
-            <version>${lombok.version}</version>
-            <scope>provided</scope>
-        </dependency>
     </dependencies>
 
     <properties>

core-java-modules/core-java-concurrency-basic-2/pom.xml

@@ -1,7 +1,6 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
-    <groupId>com.baeldung</groupId>
     <artifactId>core-java-concurrency-basic-2</artifactId>
     <version>0.1.0-SNAPSHOT</version>
     <name>core-java-concurrency-basic-2</name>
@@ -27,7 +26,4 @@
         </resources>
     </build>
 
-    <properties>
-    </properties>
-
 </project>

core-java-modules/core-java-concurrency-basic/pom.xml

@@ -1,7 +1,6 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
-    <groupId>com.baeldung</groupId>
     <artifactId>core-java-concurrency-basic</artifactId>
     <version>0.1.0-SNAPSHOT</version>
     <name>core-java-concurrency-basic</name>

core-java-modules/core-java-concurrency-collections/pom.xml

@@ -1,7 +1,6 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
-    <groupId>com.baeldung</groupId>
     <artifactId>core-java-concurrency-collections</artifactId>
     <version>0.1.0-SNAPSHOT</version>
     <name>core-java-concurrency-collections</name>
@@ -15,38 +14,12 @@
     </parent>
 
     <dependencies>
-        <dependency>
-            <groupId>org.apache.commons</groupId>
-            <artifactId>commons-collections4</artifactId>
-            <version>${commons-collections4.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>commons-io</groupId>
-            <artifactId>commons-io</artifactId>
-            <version>${commons-io.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.commons</groupId>
-            <artifactId>commons-lang3</artifactId>
-            <version>${commons-lang3.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.commons</groupId>
-            <artifactId>commons-math3</artifactId>
-            <version>${commons-math3.version}</version>
-        </dependency>
         <dependency>
             <groupId>org.assertj</groupId>
             <artifactId>assertj-core</artifactId>
             <version>${assertj.version}</version>
             <scope>test</scope>
         </dependency>
-        <dependency>
-            <groupId>com.jayway.awaitility</groupId>
-            <artifactId>awaitility</artifactId>
-            <version>${avaitility.version}</version>
-            <scope>test</scope>
-        </dependency>
     </dependencies>
 
     <build>
@@ -60,14 +33,8 @@
     </build>
 
     <properties>
-        <!-- util -->
-        <guava.version>21.0</guava.version>
-        <commons-math3.version>3.6.1</commons-math3.version>
-        <commons-collections4.version>4.1</commons-collections4.version>
-        <collections-generic.version>4.01</collections-generic.version>
         <!-- testing -->
         <assertj.version>3.6.1</assertj.version>
-        <avaitility.version>1.7.0</avaitility.version>
     </properties>
 
 </project>

core-java-modules/core-java-datetime/pom.xml

@@ -1,7 +1,6 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
-    <groupId>com.baeldung</groupId>
     <artifactId>core-java-datetime</artifactId>
     <version>0.1.0-SNAPSHOT</version>
     <name>core-java-datetime</name>
@@ -15,17 +14,6 @@
     </parent>
 
     <dependencies>
-        <dependency>
-            <groupId>org.apache.commons</groupId>
-            <artifactId>commons-lang3</artifactId>
-            <version>${commons-lang3.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.projectlombok</groupId>
-            <artifactId>lombok</artifactId>
-            <version>${lombok.version}</version>
-            <scope>provided</scope>
-        </dependency>
         <!-- test scoped -->
         <dependency>
             <groupId>org.assertj</groupId>
@@ -38,11 +26,6 @@
             <artifactId>joda-time</artifactId>
             <version>${joda.version}</version>
         </dependency>
-        <dependency>
-            <groupId>org.aspectj</groupId>
-            <artifactId>aspectjrt</artifactId>
-            <version>${asspectj.version}</version>
-        </dependency>
         <dependency>
             <groupId>org.powermock</groupId>
             <artifactId>powermock-module-junit4</artifactId>
@@ -88,11 +71,9 @@
 
     <properties>
         <!-- util -->
-        <commons-math3.version>3.6.1</commons-math3.version>
         <joda.version>2.10</joda.version>
         <!-- testing -->
         <assertj.version>3.6.1</assertj.version>
-        <asspectj.version>1.8.9</asspectj.version>
         <powermock.version>2.0.0-RC.4</powermock.version>
         <jmockit.version>1.44</jmockit.version>
         <!-- plugins -->

core-java-modules/core-java-exceptions/README.md

@@ -11,3 +11,5 @@ This module contains articles about core java exceptions
 - [Difference Between Throw and Throws in Java](https://www.baeldung.com/java-throw-throws)
 - [“Sneaky Throws” in Java](https://www.baeldung.com/java-sneaky-throws)
 - [The StackOverflowError in Java](https://www.baeldung.com/java-stack-overflow-error)
+- [Checked and Unchecked Exceptions in Java](https://www.baeldung.com/java-checked-unchecked-exceptions)
+

core-java-modules/core-java-function/pom.xml

@@ -1,7 +1,6 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
-    <groupId>com.baeldung</groupId>
     <artifactId>core-java-function</artifactId>
     <version>0.1.0-SNAPSHOT</version>
     <name>core-java-function</name>
@@ -15,11 +14,6 @@
     </parent>
 
     <dependencies>
-        <dependency>
-            <groupId>org.apache.commons</groupId>
-            <artifactId>commons-lang3</artifactId>
-            <version>${commons-lang3.version}</version>
-        </dependency>
         <!-- test scoped -->
         <dependency>
             <groupId>org.assertj</groupId>
@@ -42,8 +36,5 @@
     <properties>
         <!-- testing -->
         <assertj.version>3.6.1</assertj.version>
-        <asspectj.version>1.8.9</asspectj.version>
-        <!-- plugins -->
-        <maven-surefire-plugin.version>2.22.1</maven-surefire-plugin.version>
     </properties>
 </project>

core-java-modules/core-java-io-2/README.md

@@ -0,0 +1,6 @@
+
+### Relevant Articles:
+
+- [Create a File in a Specific Directory in Java](https://www.baeldung.com/java-create-file-in-directory)
+- [A Guide to the Java FileReader Class](https://www.baeldung.com/java-filereader)
+

core-java-modules/core-java-io-files/pom.xml

@@ -14,76 +14,6 @@
     </parent>
 
     <dependencies>
-        <!-- utils -->
-        <dependency>
-            <groupId>net.sourceforge.collections</groupId>
-            <artifactId>collections-generic</artifactId>
-            <version>${collections-generic.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.commons</groupId>
-            <artifactId>commons-collections4</artifactId>
-            <version>${commons-collections4.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>commons-io</groupId>
-            <artifactId>commons-io</artifactId>
-            <version>${commons-io.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.commons</groupId>
-            <artifactId>commons-lang3</artifactId>
-            <version>${commons-lang3.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.commons</groupId>
-            <artifactId>commons-math3</artifactId>
-            <version>${commons-math3.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.decimal4j</groupId>
-            <artifactId>decimal4j</artifactId>
-            <version>${decimal4j.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.bouncycastle</groupId>
-            <artifactId>bcprov-jdk15on</artifactId>
-            <version>${bouncycastle.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.unix4j</groupId>
-            <artifactId>unix4j-command</artifactId>
-            <version>${unix4j.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>com.googlecode.grep4j</groupId>
-            <artifactId>grep4j</artifactId>
-            <version>${grep4j.version}</version>
-        </dependency>
-        <!-- web -->
-        <!-- marshalling -->
-        <dependency>
-            <groupId>com.fasterxml.jackson.core</groupId>
-            <artifactId>jackson-databind</artifactId>
-            <version>${jackson.version}</version>
-        </dependency>
-        <!-- logging -->
-        <dependency>
-            <groupId>log4j</groupId>
-            <artifactId>log4j</artifactId>
-            <version>${log4j.version}</version>
-        </dependency>
-        <dependency> <!-- needed to bridge to slf4j for projects that use the log4j APIs directly -->
-            <groupId>org.slf4j</groupId>
-            <artifactId>log4j-over-slf4j</artifactId>
-            <version>${org.slf4j.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.projectlombok</groupId>
-            <artifactId>lombok</artifactId>
-            <version>${lombok.version}</version>
-            <scope>provided</scope>
-        </dependency>
         <!-- test scoped -->
         <dependency>
             <groupId>org.assertj</groupId>
@@ -91,86 +21,12 @@
             <version>${assertj.version}</version>
             <scope>test</scope>
         </dependency>
-        <dependency>
-            <groupId>com.jayway.awaitility</groupId>
-            <artifactId>awaitility</artifactId>
-            <version>${avaitility.version}</version>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>commons-codec</groupId>
-            <artifactId>commons-codec</artifactId>
-            <version>${commons-codec.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.javamoney</groupId>
-            <artifactId>moneta</artifactId>
-            <version>${moneta.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.owasp.esapi</groupId>
-            <artifactId>esapi</artifactId>
-            <version>${esapi.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>com.sun.messaging.mq</groupId>
-            <artifactId>fscontext</artifactId>
-            <version>${fscontext.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>com.codepoetics</groupId>
-            <artifactId>protonpack</artifactId>
-            <version>${protonpack.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>one.util</groupId>
-            <artifactId>streamex</artifactId>
-            <version>${streamex.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>io.vavr</groupId>
-            <artifactId>vavr</artifactId>
-            <version>${vavr.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.openjdk.jmh</groupId>
-            <artifactId>jmh-core</artifactId>
-            <version>${jmh-core.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.openjdk.jmh</groupId>
-            <artifactId>jmh-generator-annprocess</artifactId>
-            <version>${jmh-generator-annprocess.version}</version>
-        </dependency>
         <dependency>
             <groupId>org.hsqldb</groupId>
             <artifactId>hsqldb</artifactId>
             <version>${hsqldb.version}</version>
             <scope>runtime</scope>
         </dependency>
-        <!-- https://mvnrepository.com/artifact/org.asynchttpclient/async-http-client -->
-        <dependency>
-            <groupId>org.asynchttpclient</groupId>
-            <artifactId>async-http-client</artifactId>
-            <version>${async-http-client.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>com.opencsv</groupId>
-            <artifactId>opencsv</artifactId>
-            <version>${opencsv.version}</version>
-            <scope>test</scope>
-        </dependency>
-        <!-- Mime Type Resolution Libraries -->
-        <dependency>
-            <groupId>org.apache.tika</groupId>
-            <artifactId>tika-core</artifactId>
-            <version>${tika.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>net.sf.jmimemagic</groupId>
-            <artifactId>jmimemagic</artifactId>
-            <version>${jmime-magic.version}</version>
-        </dependency>
     </dependencies>
 
     <build>
@@ -262,33 +118,13 @@
 
     <properties>
 
-        <!-- util -->
-        <bouncycastle.version>1.55</bouncycastle.version>
-        <commons-codec.version>1.10</commons-codec.version>
-        <commons-math3.version>3.6.1</commons-math3.version>
-        <decimal4j.version>1.0.3</decimal4j.version>
-        <commons-collections4.version>4.1</commons-collections4.version>
-        <collections-generic.version>4.01</collections-generic.version>
-        <unix4j.version>0.4</unix4j.version>
-        <grep4j.version>1.8.7</grep4j.version>
-        <fscontext.version>4.6-b01</fscontext.version>
-        <protonpack.version>1.13</protonpack.version>
-        <streamex.version>0.6.5</streamex.version>
-        <vavr.version>0.9.0</vavr.version>
-        <opencsv.version>4.1</opencsv.version>
         <!-- testing -->
         <assertj.version>3.6.1</assertj.version>
-        <avaitility.version>1.7.0</avaitility.version>
 
         <!-- maven plugins -->
         <maven-javadoc-plugin.version>3.0.0-M1</maven-javadoc-plugin.version>
         <hsqldb.version>2.4.0</hsqldb.version>
-        <esapi.version>2.1.0.1</esapi.version>
-        <jmh-generator-annprocess.version>1.19</jmh-generator-annprocess.version>
-        <async-http-client.version>2.4.5</async-http-client.version>
         <!-- Mime Type Libraries -->
-        <tika.version>1.18</tika.version>
-        <jmime-magic.version>0.1.5</jmime-magic.version>
         <maven-jar-plugin.version>3.1.0</maven-jar-plugin.version>
 
     </properties>

core-java-modules/core-java-io/README.md

@@ -41,4 +41,5 @@ This module contains articles about core Java input and output (IO)
 - [List Files in a Directory in Java](https://www.baeldung.com/java-list-directory-files)
 - [Java InputStream to Byte Array and ByteBuffer](https://www.baeldung.com/convert-input-stream-to-array-of-bytes)
 - [Introduction to the Java NIO Selector](https://www.baeldung.com/java-nio-selector)
+- [How to Avoid the Java FileNotFoundException When Loading Resources](https://www.baeldung.com/java-classpath-resource-cannot-be-opened)
 - [[More -->]](/core-java-modules/core-java-io-2)

core-java-modules/core-java-io/pom.xml

@@ -14,76 +14,6 @@
     </parent>
 
     <dependencies>
-        <!-- utils -->
-        <dependency>
-            <groupId>net.sourceforge.collections</groupId>
-            <artifactId>collections-generic</artifactId>
-            <version>${collections-generic.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.commons</groupId>
-            <artifactId>commons-collections4</artifactId>
-            <version>${commons-collections4.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>commons-io</groupId>
-            <artifactId>commons-io</artifactId>
-            <version>${commons-io.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.commons</groupId>
-            <artifactId>commons-lang3</artifactId>
-            <version>${commons-lang3.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.commons</groupId>
-            <artifactId>commons-math3</artifactId>
-            <version>${commons-math3.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.decimal4j</groupId>
-            <artifactId>decimal4j</artifactId>
-            <version>${decimal4j.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.bouncycastle</groupId>
-            <artifactId>bcprov-jdk15on</artifactId>
-            <version>${bouncycastle.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.unix4j</groupId>
-            <artifactId>unix4j-command</artifactId>
-            <version>${unix4j.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>com.googlecode.grep4j</groupId>
-            <artifactId>grep4j</artifactId>
-            <version>${grep4j.version}</version>
-        </dependency>
-        <!-- web -->
-        <!-- marshalling -->
-        <dependency>
-            <groupId>com.fasterxml.jackson.core</groupId>
-            <artifactId>jackson-databind</artifactId>
-            <version>${jackson.version}</version>
-        </dependency>
-        <!-- logging -->
-        <dependency>
-            <groupId>log4j</groupId>
-            <artifactId>log4j</artifactId>
-            <version>${log4j.version}</version>
-        </dependency>
-        <dependency> <!-- needed to bridge to slf4j for projects that use the log4j APIs directly -->
-            <groupId>org.slf4j</groupId>
-            <artifactId>log4j-over-slf4j</artifactId>
-            <version>${org.slf4j.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.projectlombok</groupId>
-            <artifactId>lombok</artifactId>
-            <version>${lombok.version}</version>
-            <scope>provided</scope>
-        </dependency>
         <!-- test scoped -->
         <dependency>
             <groupId>org.assertj</groupId>
@@ -91,57 +21,6 @@
             <version>${assertj.version}</version>
             <scope>test</scope>
         </dependency>
-        <dependency>
-            <groupId>com.jayway.awaitility</groupId>
-            <artifactId>awaitility</artifactId>
-            <version>${avaitility.version}</version>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>commons-codec</groupId>
-            <artifactId>commons-codec</artifactId>
-            <version>${commons-codec.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.javamoney</groupId>
-            <artifactId>moneta</artifactId>
-            <version>${moneta.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.owasp.esapi</groupId>
-            <artifactId>esapi</artifactId>
-            <version>${esapi.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>com.sun.messaging.mq</groupId>
-            <artifactId>fscontext</artifactId>
-            <version>${fscontext.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>com.codepoetics</groupId>
-            <artifactId>protonpack</artifactId>
-            <version>${protonpack.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>one.util</groupId>
-            <artifactId>streamex</artifactId>
-            <version>${streamex.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>io.vavr</groupId>
-            <artifactId>vavr</artifactId>
-            <version>${vavr.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.openjdk.jmh</groupId>
-            <artifactId>jmh-core</artifactId>
-            <version>${jmh-core.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.openjdk.jmh</groupId>
-            <artifactId>jmh-generator-annprocess</artifactId>
-            <version>${jmh-generator-annprocess.version}</version>
-        </dependency>
         <dependency>
             <groupId>org.hsqldb</groupId>
             <artifactId>hsqldb</artifactId>
@@ -263,28 +142,13 @@
     <properties>
 
         <!-- util -->
-        <bouncycastle.version>1.55</bouncycastle.version>
-        <commons-codec.version>1.10</commons-codec.version>
-        <commons-math3.version>3.6.1</commons-math3.version>
-        <decimal4j.version>1.0.3</decimal4j.version>
-        <commons-collections4.version>4.1</commons-collections4.version>
-        <collections-generic.version>4.01</collections-generic.version>
-        <unix4j.version>0.4</unix4j.version>
-        <grep4j.version>1.8.7</grep4j.version>
-        <fscontext.version>4.6-b01</fscontext.version>
-        <protonpack.version>1.13</protonpack.version>
-        <streamex.version>0.6.5</streamex.version>
-        <vavr.version>0.9.0</vavr.version>
         <opencsv.version>4.1</opencsv.version>
         <!-- testing -->
         <assertj.version>3.6.1</assertj.version>
-        <avaitility.version>1.7.0</avaitility.version>
 
         <!-- maven plugins -->
         <maven-javadoc-plugin.version>3.0.0-M1</maven-javadoc-plugin.version>
         <hsqldb.version>2.4.0</hsqldb.version>
-        <esapi.version>2.1.0.1</esapi.version>
-        <jmh-generator-annprocess.version>1.19</jmh-generator-annprocess.version>
         <async-http-client.version>2.4.5</async-http-client.version>
         <!-- Mime Type Libraries -->
         <tika.version>1.18</tika.version>

core-java-modules/core-java-jndi/README.md

@@ -0,0 +1,4 @@
+
+### Relevant Articles:
+
+- [Java Naming and Directory Interface Overview](https://www.baeldung.com/jndi)

core-java-modules/core-java-jvm/README.md

@@ -4,3 +4,5 @@
 
 ### Relevant Articles: 
 - [Method Inlining in the JVM](https://www.baeldung.com/jvm-method-inlining)
+- [A Guide to System.exit()](https://www.baeldung.com/java-system-exit)
+- [Guide to System.gc()](https://www.baeldung.com/java-system-gc)

core-java-modules/core-java-jvm/pom.xml

@@ -1,7 +1,6 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
-    <groupId>com.baeldung</groupId>
     <artifactId>core-java-jvm</artifactId>
     <version>0.1.0-SNAPSHOT</version>
     <packaging>jar</packaging>
@@ -14,27 +13,4 @@
         <relativePath>../../</relativePath>
     </parent>
 
-    <dependencies>
-        <dependency>
-            <groupId>junit</groupId>
-            <artifactId>junit</artifactId>
-            <version>${junit.version}</version>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.commons</groupId>
-            <artifactId>commons-lang3</artifactId>
-            <version>${commons-lang3.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.assertj</groupId>
-            <artifactId>assertj-core</artifactId>
-            <version>${assertj.version}</version>
-            <scope>test</scope>
-        </dependency>
-    </dependencies>
-
-    <properties>
-        <assertj.version>3.6.1</assertj.version>
-    </properties>
 </project>

core-java-modules/core-java-lang-2/README.md

@@ -4,4 +4,5 @@ This module contains articles about core features in the Java language
 
 ### Relevant Articles: 
 - [Java Primitives versus Objects](https://www.baeldung.com/java-primitives-vs-objects)
-- [[<-- Prev]](/core-java-modules/core-java-lang)
+- [Command-Line Arguments in Java](https://www.baeldung.com/java-command-line-arguments)
+- [[<-- Prev]](/core-java-modules/core-java-lang)

core-java-modules/core-java-lang-2/pom.xml

@@ -1,7 +1,6 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
-    <groupId>com.baeldung</groupId>
     <artifactId>core-java-lang-2</artifactId>
     <version>0.1.0-SNAPSHOT</version>
     <name>core-java-lang-2</name>

core-java-modules/core-java-lang-math/pom.xml

@@ -1,7 +1,6 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
-    <groupId>com.baeldung</groupId>
     <artifactId>core-java-lang-math</artifactId>
     <version>0.1.0-SNAPSHOT</version>
     <name>core-java-lang-math</name>
@@ -15,11 +14,6 @@
     </parent>
 
     <dependencies>
-        <dependency>
-            <groupId>org.apache.commons</groupId>
-            <artifactId>commons-lang3</artifactId>
-            <version>${commons-lang3.version}</version>
-        </dependency>
         <!-- test scoped -->
         <dependency>
             <groupId>org.assertj</groupId>
@@ -42,8 +36,5 @@
     <properties>
         <!-- testing -->
         <assertj.version>3.6.1</assertj.version>
-        <asspectj.version>1.8.9</asspectj.version>
-        <!-- plugins -->
-        <maven-surefire-plugin.version>2.22.1</maven-surefire-plugin.version>
     </properties>
 </project>

core-java-modules/core-java-lang-oop-2/README.md

@@ -14,4 +14,5 @@ This module contains articles about Object-oriented programming (OOP) in Java
 - [A Guide to Constructors in Java](https://www.baeldung.com/java-constructors)
 - [Composition, Aggregation, and Association in Java](https://www.baeldung.com/java-composition-aggregation-association)
 - [Static and Default Methods in Interfaces in Java](https://www.baeldung.com/java-static-default-methods)
-- [[<-- Prev]](/core-java-modules/core-java-lang-oop)[[More -->]](/core-java-modules/core-java-lang-oop-3)
+- [Java Copy Constructor](https://www.baeldung.com/java-copy-constructor)
+- [[<-- Prev]](/core-java-modules/core-java-lang-oop)[[More -->]](/core-java-modules/core-java-lang-oop-3)

core-java-modules/core-java-lang-oop-2/pom.xml

@@ -1,7 +1,6 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
-    <groupId>com.baeldung</groupId>
     <artifactId>core-java-lang-oop-2</artifactId>
     <version>0.1.0-SNAPSHOT</version>
     <name>core-java-lang-oop-2</name>
@@ -41,7 +40,6 @@
     </build>
 
     <properties>
-        <h2.version>1.4.199</h2.version>
         <!-- testing -->
         <assertj-core.version>3.10.0</assertj-core.version>
         <equalsverifier.version>3.0.3</equalsverifier.version>

core-java-modules/core-java-lang-oop/pom.xml

@@ -1,7 +1,6 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
-    <groupId>com.baeldung</groupId>
     <artifactId>core-java-lang-oop</artifactId>
     <version>0.1.0-SNAPSHOT</version>
     <name>core-java-lang-oop</name>
@@ -32,23 +31,6 @@
             <artifactId>gson</artifactId>
             <version>${gson.version}</version>
         </dependency>
-        <!-- logging -->
-        <dependency>
-            <groupId>log4j</groupId>
-            <artifactId>log4j</artifactId>
-            <version>${log4j.version}</version>
-        </dependency>
-        <dependency> <!-- needed to bridge to slf4j for projects that use the log4j APIs directly -->
-            <groupId>org.slf4j</groupId>
-            <artifactId>log4j-over-slf4j</artifactId>
-            <version>${org.slf4j.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.projectlombok</groupId>
-            <artifactId>lombok</artifactId>
-            <version>${lombok.version}</version>
-            <scope>provided</scope>
-        </dependency>
         <!-- test scoped -->
         <dependency>
             <groupId>org.assertj</groupId>

core-java-modules/core-java-lang-oop/src/test/java/com/baeldung/deepcopy/DeepCopyUnitTest.java

@@ -25,7 +25,7 @@ public class DeepCopyUnitTest {
     }
 
     @Test
-    public void whenModifyingOriginalObject_thenConstructorCopyShouldNotChange() {
+    public void whenModifyingOriginalObject_thenCopyShouldNotChange() {
         Address address = new Address("Downing St 10", "London", "England");
         User pm = new User("Prime", "Minister", address);
         User deepCopy = new User(pm);
@@ -125,4 +125,13 @@ public class DeepCopyUnitTest {
         end = System.currentTimeMillis();
         System.out.println("Cloning with Jackson took " + (end - start) + " milliseconds.");
     }
+    
+    @Test
+    public void whenModifyingOriginalObject_ThenCopyShouldChange() {
+        Address address = new Address("Downing St 10", "London", "England");
+        User pm = new User("Prime", "Minister", address);
+        User shallowCopy = new User(pm.getFirstName(), pm.getLastName(), pm.getAddress());
+        address.setCountry("Great Britain");
+        assertThat(shallowCopy.getAddress().getCountry()).isEqualTo(pm.getAddress().getCountry());
+    }
 }

core-java-modules/core-java-lang-operators/README.md

@@ -5,3 +5,5 @@
 - [Java instanceof Operator](https://www.baeldung.com/java-instanceof)
 - [A Guide to Increment and Decrement Unary Operators in Java](https://www.baeldung.com/java-unary-operators)
 - [Java Compound Operators](https://www.baeldung.com/java-compound-operators)
+- [The XOR Operator in Java](https://www.baeldung.com/java-xor-operator)
+

core-java-modules/core-java-lang-operators/pom.xml

@@ -2,7 +2,6 @@
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
-    <groupId>com.baeldung</groupId>
     <artifactId>core-java-lang-operators</artifactId>
     <version>0.1.0-SNAPSHOT</version>
     <name>core-java-lang-operators</name>

core-java-modules/core-java-lang-syntax-2/pom.xml

@@ -1,7 +1,6 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
-    <groupId>com.baeldung</groupId>
     <artifactId>core-java-lang-syntax-2</artifactId>
     <version>0.1.0-SNAPSHOT</version>
     <name>core-java-lang-syntax-2</name>

core-java-modules/core-java-lang-syntax/pom.xml

@@ -1,7 +1,6 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
-    <groupId>com.baeldung</groupId>
     <artifactId>core-java-lang-syntax</artifactId>
     <version>0.1.0-SNAPSHOT</version>
     <name>core-java-lang-syntax</name>

core-java-modules/core-java-lang-syntax/src/main/java/com/baeldung/generics/Generics.java

@@ -35,4 +35,11 @@ public class Generics {
         return list;
     }
 
+    public <T> List<T> genericMethod(List<T> list) {
+        return list.stream().collect(Collectors.toList());
+    }
+    
+    public List<Object> withErasure(List<Object> list) {
+        return list.stream().collect(Collectors.toList());
+    }
 }

core-java-modules/core-java-lang/pom.xml

@@ -1,7 +1,6 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
-    <groupId>com.baeldung</groupId>
     <artifactId>core-java-lang</artifactId>
     <version>0.1.0-SNAPSHOT</version>
     <name>core-java-lang</name>
@@ -14,44 +13,6 @@
         <relativePath>../../parent-java</relativePath>
     </parent>
 
-    <dependencies>
-        <dependency>
-            <groupId>org.apache.commons</groupId>
-            <artifactId>commons-lang3</artifactId>
-            <version>${commons-lang3.version}</version>
-        </dependency>
-        <!-- web -->
-        <!-- marshalling -->
-        <dependency>
-            <groupId>com.fasterxml.jackson.core</groupId>
-            <artifactId>jackson-databind</artifactId>
-            <version>${jackson.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>com.google.code.gson</groupId>
-            <artifactId>gson</artifactId>
-            <version>${gson.version}</version>
-        </dependency>
-        <!-- logging -->
-        <dependency>
-            <groupId>log4j</groupId>
-            <artifactId>log4j</artifactId>
-            <version>${log4j.version}</version>
-        </dependency>
-        <dependency> <!-- needed to bridge to slf4j for projects that use the log4j APIs directly -->
-            <groupId>org.slf4j</groupId>
-            <artifactId>log4j-over-slf4j</artifactId>
-            <version>${org.slf4j.version}</version>
-        </dependency>
-        <!-- test scoped -->
-        <dependency>
-            <groupId>org.assertj</groupId>
-            <artifactId>assertj-core</artifactId>
-            <version>${assertj-core.version}</version>
-            <scope>test</scope>
-        </dependency>
-    </dependencies>
-
     <build>
         <finalName>core-java-lang</finalName>
         <resources>
@@ -62,10 +23,4 @@
         </resources>
     </build>
 
-    <properties>
-        <gson.version>2.8.2</gson.version>
-        <!-- testing -->
-        <assertj-core.version>3.10.0</assertj-core.version>
-    </properties>
-
 </project>

core-java-modules/core-java-networking/pom.xml

@@ -14,11 +14,6 @@
     </parent>
 
     <dependencies>
-        <dependency>
-            <groupId>commons-io</groupId>
-            <artifactId>commons-io</artifactId>
-            <version>${commons-io.version}</version>
-        </dependency>
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-web</artifactId>

core-java-modules/core-java-nio/README.md

@@ -5,3 +5,4 @@ This module contains articles about core Java non-blocking input and output (IO)
 ## Relevant Articles:
 
 - [Determine File Creation Date in Java](https://www.baeldung.com/java-file-creation-date)
+- [Find the Number of Lines in a File Using Jav](https://www.baeldung.com/java-file-number-of-lines)

core-java-modules/core-java-optional/pom.xml

@@ -44,25 +44,7 @@
         </dependency>
     </dependencies>
 
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-compiler-plugin</artifactId>
-                <version>${maven-compiler-plugin.version}</version>
-                <configuration>
-                    <source>${maven.compiler.source}</source>
-                    <target>${maven.compiler.target}</target>
-                </configuration>
-            </plugin>
-        </plugins>
-
-    </build>
-
     <properties>
-        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <maven.compiler.source>1.8</maven.compiler.source>
-        <maven.compiler.target>1.8</maven.compiler.target>
         <hibernate.core.version>5.4.0.Final</hibernate.core.version>
         <jmh-core.version>1.19</jmh-core.version>
         <jmh-generator.version>1.19</jmh-generator.version>

core-java-modules/core-java-perf/pom.xml

@@ -1,7 +1,6 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
-    <groupId>com.baeldung</groupId>
     <artifactId>core-java-perf</artifactId>
     <version>0.1.0-SNAPSHOT</version>
     <name>core-java-perf</name>
@@ -14,13 +13,4 @@
         <relativePath>../../parent-java</relativePath>
     </parent>
 
-    <dependencies>
-        <dependency>
-            <groupId>org.apache.commons</groupId>
-            <artifactId>commons-lang3</artifactId>
-            <version>${commons-lang3.version}</version>
-        </dependency>
-       
-    </dependencies>
-
 </project>

core-java-modules/core-java-security-manager/pom.xml

@@ -10,25 +10,5 @@
         <artifactId>core-java-modules</artifactId>
         <version>1.0.0-SNAPSHOT</version>
     </parent>
-  
-    <build>
-        <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-compiler-plugin</artifactId>
-                <version>${maven-compiler-plugin.version}</version>
-                <configuration>
-                    <source>${maven.compiler.source}</source>
-                    <target>${maven.compiler.target}</target>
-                </configuration>
-            </plugin>
-        </plugins>
 
-    </build>
-
-    <properties>
-        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <maven.compiler.source>1.8</maven.compiler.source>
-        <maven.compiler.target>1.8</maven.compiler.target>
-    </properties>
 </project>

core-java-modules/core-java-security/README.md

@@ -14,3 +14,5 @@ This module contains articles about core Java Security
 - [Enabling TLS v1.2 in Java 7](https://www.baeldung.com/java-7-tls-v12)
 - [The Java SecureRandom Class](https://www.baeldung.com/java-secure-random)
 - [An Introduction to Java SASL](https://www.baeldung.com/java-sasl)
+- [A Guide to Java GSS API](https://www.baeldung.com/java-gss)
+

core-java-modules/core-java-security/pom.xml

@@ -1,7 +1,6 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
-    <groupId>com.baeldung</groupId>
     <artifactId>core-java-security</artifactId>
     <version>0.1.0-SNAPSHOT</version>
     <name>core-java-security</name>
@@ -15,11 +14,6 @@
     </parent>
 
     <dependencies>
-        <dependency>
-            <groupId>org.apache.commons</groupId>
-            <artifactId>commons-lang3</artifactId>
-            <version>${commons-lang3.version}</version>
-        </dependency>
         <!-- test scoped -->
         <dependency>
             <groupId>org.assertj</groupId>

core-java-modules/core-java-streams/pom.xml

@@ -1,7 +1,6 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
-    <groupId>com.baeldung</groupId>
     <artifactId>core-java-streams</artifactId>
     <version>0.1.0-SNAPSHOT</version>
     <name>core-java-streams</name>
@@ -15,17 +14,6 @@
     </parent>
 
     <dependencies>
-        <dependency>
-            <groupId>org.apache.commons</groupId>
-            <artifactId>commons-lang3</artifactId>
-            <version>${commons-lang3.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.projectlombok</groupId>
-            <artifactId>lombok</artifactId>
-            <version>${lombok.version}</version>
-            <scope>provided</scope>
-        </dependency>
         <!-- test scoped -->
         <dependency>
             <groupId>org.assertj</groupId>
@@ -48,7 +36,5 @@
     <properties>
         <!-- testing -->
         <assertj.version>3.6.1</assertj.version>
-        <!-- plugins -->
-        <maven-surefire-plugin.version>2.22.1</maven-surefire-plugin.version>
     </properties>
 </project>

core-java-modules/core-java-string-conversions-2/README.md

@@ -0,0 +1,9 @@
+## Java String Conversions
+
+This module contains articles about string conversions from/to another type.
+
+### Relevant Articles:
+- [Java String Conversions](https://www.baeldung.com/java-string-conversions)
+- [Convert String to Byte Array and Reverse in Java](https://www.baeldung.com/java-string-to-byte-array)
+- [Convert Char Array to String](https://www.baeldung.com/java-char-array-to-string)
+- More articles: [[<-- prev]](/core-java-string-conversions)

core-java-modules/core-java-string-conversions-2/pom.xml

@@ -0,0 +1,47 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>core-java-string-conversions-2</artifactId>
+    <version>0.1.0-SNAPSHOT</version>
+    <packaging>jar</packaging>
+    <name>core-java-string-conversions-2</name>
+
+    <parent>
+        <groupId>com.baeldung</groupId>
+        <artifactId>parent-java</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../../parent-java</relativePath>
+    </parent>
+
+    <dependencies>
+        <dependency>
+            <groupId>com.google.guava</groupId>
+            <artifactId>guava</artifactId>
+            <version>${guava.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>${junit.version}</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.hamcrest</groupId>
+            <artifactId>hamcrest-library</artifactId>
+            <version>${org.hamcrest.version}</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <finalName>core-java-string-conversions-2</finalName>
+        <resources>
+            <resource>
+                <directory>src/main/resources</directory>
+                <filtering>true</filtering>
+            </resource>
+        </resources>
+
+    </build>
+
+</project>

core-java-modules/core-java-string-conversions-2/src/main/java/com/baeldung/stringconversions/UseLocalDateTime.java

@@ -1,4 +1,4 @@
-package com.baeldung.datetime;
+package com.baeldung.stringconversions;
 
 import java.time.LocalDateTime;
 

core-java-modules/core-java-string-conversions-2/src/test/java/com/baeldung/chararraytostring/CharArrayToStringConversionUnitTest.java

@@ -1,4 +1,4 @@
-package com.baeldung.string.charArrayToString;
+package com.baeldung.chararraytostring;
 
 import static org.hamcrest.Matchers.is;
 import static org.junit.Assert.assertThat;

core-java-modules/core-java-string-conversions-2/src/test/java/com/baeldung/stringconversions/StringConversionUnitTest.java

@@ -1,4 +1,4 @@
-package com.baeldung.java.conversion;
+package com.baeldung.stringconversions;
 
 import static org.junit.Assert.assertEquals;
 
@@ -13,8 +13,6 @@ import java.util.GregorianCalendar;
 
 import org.junit.Test;
 
-import com.baeldung.datetime.UseLocalDateTime;
-
 public class StringConversionUnitTest {
 
     @Test

core-java-modules/core-java-string-conversions-2/src/test/java/com/baeldung/stringtobytearray/ByteArrayToStringUnitTest.java

@@ -1,4 +1,4 @@
-package com.baeldung.string.conversion;
+package com.baeldung.stringtobytearray;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertNotNull;

core-java-modules/core-java-string-conversions-2/src/test/java/com/baeldung/stringtobytearray/StringToByteArrayUnitTest.java

@@ -1,4 +1,4 @@
-package com.baeldung.string.conversion;
+package com.baeldung.stringtobytearray;
 
 import static org.junit.jupiter.api.Assertions.assertArrayEquals;
 import static org.junit.jupiter.api.Assertions.assertNotNull;

core-java-modules/core-java-string-conversions/README.md

@@ -0,0 +1,16 @@
+## Java String Conversions
+
+This module contains articles about string conversions from/to another type.
+
+### Relevant Articles:
+- [Converting String to Stream of chars](https://www.baeldung.com/java-string-to-stream)
+- [Converting Strings to Enums in Java](https://www.baeldung.com/java-string-to-enum)
+- [Convert a String to Title Case](https://www.baeldung.com/java-string-title-case)
+- [Convert java.util.Date to String](https://www.baeldung.com/java-util-date-to-string)
+- [Converting a Stack Trace to a String in Java](https://www.baeldung.com/java-stacktrace-to-string)
+- [Image to Base64 String Conversion](https://www.baeldung.com/java-base64-image-string)
+- [Convert a Comma Separated String to a List in Java](https://www.baeldung.com/java-string-with-separator-to-list)
+- [Converting Java String to Double](https://www.baeldung.com/java-string-to-double)
+- [Convert Char to String in Java](https://www.baeldung.com/java-convert-char-to-string)
+- [Convert String to int or Integer in Java](https://www.baeldung.com/java-convert-string-to-int-or-integer)
+- More articles: [[next -->]](/core-java-string-conversions-2)

core-java-modules/core-java-string-conversions/pom.xml

@@ -0,0 +1,67 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>core-java-string-conversions</artifactId>
+    <version>0.1.0-SNAPSHOT</version>
+    <packaging>jar</packaging>
+    <name>core-java-string-conversions</name>
+
+    <parent>
+        <groupId>com.baeldung</groupId>
+        <artifactId>parent-java</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../../parent-java</relativePath>
+    </parent>
+
+    <dependencies>
+        <dependency>
+            <groupId>com.ibm.icu</groupId>
+            <artifactId>icu4j</artifactId>
+            <version>${icu4j.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>commons-io</groupId>
+            <artifactId>commons-io</artifactId>
+            <version>${commons-io.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+            <version>${commons-lang3.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>com.google.guava</groupId>
+            <artifactId>guava</artifactId>
+            <version>${guava.version}</version>
+        </dependency>
+        <!-- test scoped -->
+        <dependency>
+            <groupId>org.assertj</groupId>
+            <artifactId>assertj-core</artifactId>
+            <version>${assertj.version}</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.hamcrest</groupId>
+            <artifactId>hamcrest-library</artifactId>
+            <version>${org.hamcrest.version}</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <finalName>core-java-string-conversions</finalName>
+        <resources>
+            <resource>
+                <directory>src/main/resources</directory>
+                <filtering>true</filtering>
+            </resource>
+        </resources>
+    </build>
+
+    <properties>
+        <icu4j.version>61.1</icu4j.version>
+        <assertj.version>3.6.1</assertj.version>
+    </properties>
+
+</project>

core-java-modules/core-java-string-conversions/src/main/java/com/baeldung/stringtoenum/PizzaStatusEnum.java

@@ -1,4 +1,4 @@
-package com.baeldung.enums;
+package com.baeldung.stringtoenum;
 
 public enum PizzaStatusEnum {
     ORDERED(5) {

core-java-modules/core-java-string-conversions/src/main/java/com/baeldung/titlecase/TitleCaseConverter.java

@@ -1,12 +1,11 @@
-package com.baeldung.string;
+package com.baeldung.titlecase;
-
-import java.util.Arrays;
-import java.util.stream.Collectors;
-
-import org.apache.commons.lang3.text.WordUtils;
 
 import com.ibm.icu.lang.UCharacter;
 import com.ibm.icu.text.BreakIterator;
+import org.apache.commons.lang3.text.WordUtils;
+
+import java.util.Arrays;
+import java.util.stream.Collectors;
 
 public class TitleCaseConverter {
 

core-java-modules/core-java-string-conversions/src/test/java/com/baeldung/chartostring/CharToStringUnitTest.java

@@ -1,4 +1,4 @@
-package com.baeldung;
+package com.baeldung.chartostring;
 
 import org.junit.Test;
 

core-java-modules/core-java-string-conversions/src/test/java/com/baeldung/datetostring/DateToStringFormatterUnitTest.java

@@ -1,6 +1,7 @@
-package com.baeldung.string.formatter;
+package com.baeldung.datetostring;
 
-import static org.junit.Assert.assertEquals;
+import org.junit.BeforeClass;
+import org.junit.Test;
 
 import java.text.DateFormat;
 import java.text.SimpleDateFormat;
@@ -13,8 +14,7 @@ import java.util.Date;
 import java.util.Locale;
 import java.util.TimeZone;
 
-import org.junit.BeforeClass;
+import static org.junit.Assert.assertEquals;
-import org.junit.Test;
 
 public class DateToStringFormatterUnitTest {
 

core-java-modules/core-java-string-conversions/src/test/java/com/baeldung/filetobase64conversion/FileToBase64StringConversionUnitTest.java

@@ -1,13 +1,13 @@
-package com.baeldung.fileToBase64StringConversion;
+package com.baeldung.filetobase64conversion;
 
-import static org.junit.Assert.assertTrue;
+import org.apache.commons.io.FileUtils;
+import org.junit.Test;
 
 import java.io.File;
 import java.io.IOException;
 import java.util.Base64;
 
-import org.apache.commons.io.FileUtils;
+import static org.junit.Assert.assertTrue;
-import org.junit.Test;
 
 public class FileToBase64StringConversionUnitTest {
 

core-java-modules/core-java-string-conversions/src/test/java/com/baeldung/stringtodouble/StringToDoubleConversionUnitTest.java

@@ -1,4 +1,4 @@
-package com.baeldung.string.todouble;
+package com.baeldung.stringtodouble;
 
 import static org.junit.Assert.assertEquals;
 

core-java-modules/core-java-string-conversions/src/test/java/com/baeldung/stringtoenum/StringToEnumUnitTest.java

@@ -1,10 +1,10 @@
-package com.baeldung.enums;
+package com.baeldung.stringtoenum;
 
 import static junit.framework.TestCase.assertTrue;
 
 import org.junit.Test;
 
-public class PizzaUnitTest {
+public class StringToEnumUnitTest {
     
     @Test
     public void whenConvertedIntoEnum_thenGetsConvertedCorrectly() {

core-java-modules/core-java-string-conversions/src/test/java/com/baeldung/stringtoint/StringToIntOrIntegerUnitTest.java

@@ -1,4 +1,4 @@
-package com.baeldung;
+package com.baeldung.stringtoint;
 
 import static org.assertj.core.api.Assertions.assertThat;
 

core-java-modules/core-java-string-conversions/src/test/java/com/baeldung/stringtolist/ConvertStringToListUnitTest.java

@@ -1,135 +1,134 @@
-package com.baeldung;
+package com.baeldung.stringtolist;
-
+
-import static org.junit.Assert.assertEquals;
+import com.google.common.base.Function;
-
+import com.google.common.base.Splitter;
-import java.util.ArrayList;
+import com.google.common.collect.Lists;
-import java.util.Arrays;
+import org.apache.commons.lang3.StringUtils;
-import java.util.List;
+import org.junit.Test;
-import java.util.stream.Collectors;
+
-import java.util.stream.Stream;
+import java.util.ArrayList;
-
+import java.util.Arrays;
-import org.apache.commons.lang3.StringUtils;
+import java.util.List;
-import org.junit.Test;
+import java.util.stream.Collectors;
-
+import java.util.stream.Stream;
-import com.google.common.base.Function;
+
-import com.google.common.base.Splitter;
+import static org.junit.Assert.assertEquals;
-import com.google.common.collect.Lists;
+
-
+public class ConvertStringToListUnitTest {
-public class ConvertStringToListUnitTest {
+
-
+    private final String countries = "Russia,Germany,England,France,Italy";
-    private final String countries = "Russia,Germany,England,France,Italy";
+    private final String ranks = "1,2,3,4,5, 6,7";
-    private final String ranks = "1,2,3,4,5, 6,7";
+    private final String emptyStrings = ",,,,,";
-    private final String emptyStrings = ",,,,,";
+    private final List<String> expectedCountriesList = Arrays.asList("Russia", "Germany", "England", "France", "Italy");
-    private final List<String> expectedCountriesList = Arrays.asList("Russia", "Germany", "England", "France", "Italy");
+    private final List<Integer> expectedRanksList = Arrays.asList(1, 2, 3, 4, 5, 6, 7);
-    private final List<Integer> expectedRanksList = Arrays.asList(1, 2, 3, 4, 5, 6, 7);
+    private final List<String> expectedEmptyStringsList = Arrays.asList("", "", "", "", "", "");
-    private final List<String> expectedEmptyStringsList = Arrays.asList("", "", "", "", "", "");
+
-
+    @Test
-    @Test
+    public void givenString_thenGetListOfStringByJava() {
-    public void givenString_thenGetListOfStringByJava() {
+        List<String> convertedCountriesList = Arrays.asList(countries.split(",", -1));
-        List<String> convertedCountriesList = Arrays.asList(countries.split(",", -1));
+
-
+        assertEquals(expectedCountriesList, convertedCountriesList);
-        assertEquals(expectedCountriesList, convertedCountriesList);
+    }
-    }
+
-
+    @Test
-    @Test
+    public void givenString_thenGetListOfStringByApache() {
-    public void givenString_thenGetListOfStringByApache() {
+        List<String> convertedCountriesList = Arrays.asList(StringUtils.splitPreserveAllTokens(countries, ","));
-        List<String> convertedCountriesList = Arrays.asList(StringUtils.splitPreserveAllTokens(countries, ","));
+
-
+        assertEquals(expectedCountriesList, convertedCountriesList);
-        assertEquals(expectedCountriesList, convertedCountriesList);
+    }
-    }
+
-
+    @Test
-    @Test
+    public void givenString_thenGetListOfStringByGuava() {
-    public void givenString_thenGetListOfStringByGuava() {
+        List<String> convertedCountriesList = Splitter.on(",")
-        List<String> convertedCountriesList = Splitter.on(",")
+            .trimResults()
-            .trimResults()
+            .splitToList(countries);
-            .splitToList(countries);
+
-
+        assertEquals(expectedCountriesList, convertedCountriesList);
-        assertEquals(expectedCountriesList, convertedCountriesList);
+    }
-    }
+
-
+    @Test
-    @Test
+    public void givenString_thenGetListOfStringByJava8() {
-    public void givenString_thenGetListOfStringByJava8() {
+        List<String> convertedCountriesList = Stream.of(countries.split(",", -1))
-        List<String> convertedCountriesList = Stream.of(countries.split(",", -1))
+            .collect(Collectors.toList());
-            .collect(Collectors.toList());
+
-
+        assertEquals(expectedCountriesList, convertedCountriesList);
-        assertEquals(expectedCountriesList, convertedCountriesList);
+    }
-    }
+
-
+    @Test
-    @Test
+    public void givenString_thenGetListOfIntegerByJava() {
-    public void givenString_thenGetListOfIntegerByJava() {
+        String[] convertedRankArray = ranks.split(",");
-        String[] convertedRankArray = ranks.split(",");
+        List<Integer> convertedRankList = new ArrayList<Integer>();
-        List<Integer> convertedRankList = new ArrayList<Integer>();
+        for (String number : convertedRankArray) {
-        for (String number : convertedRankArray) {
+            convertedRankList.add(Integer.parseInt(number.trim()));
-            convertedRankList.add(Integer.parseInt(number.trim()));
+        }
-        }
+
-
+        assertEquals(expectedRanksList, convertedRankList);
-        assertEquals(expectedRanksList, convertedRankList);
+    }
-    }
+
-
+    @Test
-    @Test
+    public void givenString_thenGetListOfIntegerByGuava() {
-    public void givenString_thenGetListOfIntegerByGuava() {
+        List<Integer> convertedRankList = Lists.transform(Splitter.on(",")
-        List<Integer> convertedRankList = Lists.transform(Splitter.on(",")
+            .trimResults()
-            .trimResults()
+            .splitToList(ranks), new Function<String, Integer>() {
-            .splitToList(ranks), new Function<String, Integer>() {
+                @Override
-                @Override
+                public Integer apply(String input) {
-                public Integer apply(String input) {
+                    return Integer.parseInt(input.trim());
-                    return Integer.parseInt(input.trim());
+                }
-                }
+            });
-            });
+
-
+        assertEquals(expectedRanksList, convertedRankList);
-        assertEquals(expectedRanksList, convertedRankList);
+    }
-    }
+
-
+    @Test
-    @Test
+    public void givenString_thenGetListOfIntegerByJava8() {
-    public void givenString_thenGetListOfIntegerByJava8() {
+        List<Integer> convertedRankList = Stream.of(ranks.split(","))
-        List<Integer> convertedRankList = Stream.of(ranks.split(","))
+            .map(String::trim)
-            .map(String::trim)
+            .map(Integer::parseInt)
-            .map(Integer::parseInt)
+            .collect(Collectors.toList());
-            .collect(Collectors.toList());
+
-
+        assertEquals(expectedRanksList, convertedRankList);
-        assertEquals(expectedRanksList, convertedRankList);
+    }
-    }
+
-
+    @Test
-    @Test
+    public void givenString_thenGetListOfIntegerByApache() {
-    public void givenString_thenGetListOfIntegerByApache() {
+        String[] convertedRankArray = StringUtils.split(ranks, ",");
-        String[] convertedRankArray = StringUtils.split(ranks, ",");
+        List<Integer> convertedRankList = new ArrayList<Integer>();
-        List<Integer> convertedRankList = new ArrayList<Integer>();
+        for (String number : convertedRankArray) {
-        for (String number : convertedRankArray) {
+            convertedRankList.add(Integer.parseInt(number.trim()));
-            convertedRankList.add(Integer.parseInt(number.trim()));
+        }
-        }
+
-
+        assertEquals(expectedRanksList, convertedRankList);
-        assertEquals(expectedRanksList, convertedRankList);
+    }
-    }
+
-
+    @Test
-    @Test
+    public void givenEmptyStrings_thenGetListOfStringByJava() {
-    public void givenEmptyStrings_thenGetListOfStringByJava() {
+        List<String> convertedEmptyStringsList = Arrays.asList(emptyStrings.split(",", -1));
-        List<String> convertedEmptyStringsList = Arrays.asList(emptyStrings.split(",", -1));
+
-
+        assertEquals(expectedEmptyStringsList, convertedEmptyStringsList);
-        assertEquals(expectedEmptyStringsList, convertedEmptyStringsList);
+    }
-    }
+
-
+    @Test
-    @Test
+    public void givenEmptyStrings_thenGetListOfStringByApache() {
-    public void givenEmptyStrings_thenGetListOfStringByApache() {
+        List<String> convertedEmptyStringsList = Arrays.asList(StringUtils.splitPreserveAllTokens(emptyStrings, ","));
-        List<String> convertedEmptyStringsList = Arrays.asList(StringUtils.splitPreserveAllTokens(emptyStrings, ","));
+
-
+        assertEquals(expectedEmptyStringsList, convertedEmptyStringsList);
-        assertEquals(expectedEmptyStringsList, convertedEmptyStringsList);
+    }
-    }
+
-
+    @Test
-    @Test
+    public void givenEmptyStrings_thenGetListOfStringByGuava() {
-    public void givenEmptyStrings_thenGetListOfStringByGuava() {
+        List<String> convertedEmptyStringsList = Splitter.on(",")
-        List<String> convertedEmptyStringsList = Splitter.on(",")
+            .trimResults()
-            .trimResults()
+            .splitToList(emptyStrings);
-            .splitToList(emptyStrings);
+
-
+        assertEquals(expectedEmptyStringsList, convertedEmptyStringsList);
-        assertEquals(expectedEmptyStringsList, convertedEmptyStringsList);
+    }
-    }
+
-
+    @Test
-    @Test
+    public void givenEmptyStrings_thenGetListOfStringByJava8() {
-    public void givenEmptyStrings_thenGetListOfStringByJava8() {
+        List<String> convertedEmptyStringsList = Stream.of(emptyStrings.split(",", -1))
-        List<String> convertedEmptyStringsList = Stream.of(emptyStrings.split(",", -1))
+            .collect(Collectors.toList());
-            .collect(Collectors.toList());
+
-
+        assertEquals(expectedEmptyStringsList, convertedEmptyStringsList);
-        assertEquals(expectedEmptyStringsList, convertedEmptyStringsList);
+    }
-    }
+
-
+}
-}

core-java-modules/core-java-string-conversions/src/test/java/com/baeldung/stringtostream/StringToCharStreamUnitTest.java

@@ -1,4 +1,4 @@
-package com.baeldung.string;
+package com.baeldung.stringtostream;
 
 import org.junit.Test;
 

core-java-modules/core-java-string-conversions/src/test/java/com/baeldung/titlecase/TitleCaseConverterUnitTest.java

@@ -1,4 +1,4 @@
-package com.baeldung.string;
+package com.baeldung.titlecase;
 
 import org.junit.Assert;
 import org.junit.Test;

core-java-modules/core-java-sun/pom.xml

@@ -1,7 +1,6 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
-    <groupId>com.baeldung</groupId>
     <artifactId>core-java-sun</artifactId>
     <version>0.1.0-SNAPSHOT</version>
     <name>core-java-sun</name>
@@ -15,76 +14,6 @@
     </parent>
 
     <dependencies>
-        <!-- utils -->
-        <dependency>
-            <groupId>net.sourceforge.collections</groupId>
-            <artifactId>collections-generic</artifactId>
-            <version>${collections-generic.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.commons</groupId>
-            <artifactId>commons-collections4</artifactId>
-            <version>${commons-collections4.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>commons-io</groupId>
-            <artifactId>commons-io</artifactId>
-            <version>${commons-io.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.commons</groupId>
-            <artifactId>commons-lang3</artifactId>
-            <version>${commons-lang3.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.commons</groupId>
-            <artifactId>commons-math3</artifactId>
-            <version>${commons-math3.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.decimal4j</groupId>
-            <artifactId>decimal4j</artifactId>
-            <version>${decimal4j.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.bouncycastle</groupId>
-            <artifactId>bcprov-jdk15on</artifactId>
-            <version>${bouncycastle.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.unix4j</groupId>
-            <artifactId>unix4j-command</artifactId>
-            <version>${unix4j.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>com.googlecode.grep4j</groupId>
-            <artifactId>grep4j</artifactId>
-            <version>${grep4j.version}</version>
-        </dependency>
-        <!-- web -->
-        <!-- marshalling -->
-        <dependency>
-            <groupId>com.fasterxml.jackson.core</groupId>
-            <artifactId>jackson-databind</artifactId>
-            <version>${jackson.version}</version>
-        </dependency>
-        <!-- logging -->
-        <dependency>
-            <groupId>log4j</groupId>
-            <artifactId>log4j</artifactId>
-            <version>${log4j.version}</version>
-        </dependency>
-        <dependency> <!-- needed to bridge to slf4j for projects that use the log4j APIs directly -->
-            <groupId>org.slf4j</groupId>
-            <artifactId>log4j-over-slf4j</artifactId>
-            <version>${org.slf4j.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.projectlombok</groupId>
-            <artifactId>lombok</artifactId>
-            <version>${lombok.version}</version>
-            <scope>provided</scope>
-        </dependency>
         <!-- test scoped -->
         <dependency>
             <groupId>org.assertj</groupId>
@@ -92,62 +21,6 @@
             <version>${assertj.version}</version>
             <scope>test</scope>
         </dependency>
-        <dependency>
-            <groupId>com.jayway.awaitility</groupId>
-            <artifactId>awaitility</artifactId>
-            <version>${avaitility.version}</version>
-            <scope>test</scope>
-        </dependency>
-        <dependency>
-            <groupId>commons-codec</groupId>
-            <artifactId>commons-codec</artifactId>
-            <version>${commons-codec.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.javamoney</groupId>
-            <artifactId>moneta</artifactId>
-            <version>${moneta.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.owasp.esapi</groupId>
-            <artifactId>esapi</artifactId>
-            <version>${esapi.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>com.sun.messaging.mq</groupId>
-            <artifactId>fscontext</artifactId>
-            <version>${fscontext.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>com.codepoetics</groupId>
-            <artifactId>protonpack</artifactId>
-            <version>${protonpack.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>one.util</groupId>
-            <artifactId>streamex</artifactId>
-            <version>${streamex.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>io.vavr</groupId>
-            <artifactId>vavr</artifactId>
-            <version>${vavr.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.openjdk.jmh</groupId>
-            <artifactId>jmh-core</artifactId>
-            <version>${jmh-core.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.openjdk.jmh</groupId>
-            <artifactId>jmh-generator-annprocess</artifactId>
-            <version>${jmh-generator.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.springframework</groupId>
-            <artifactId>spring-web</artifactId>
-            <version>${spring-web.version}</version>
-        </dependency>
         <dependency>
             <groupId>com.sun</groupId>
             <artifactId>tools</artifactId>
@@ -204,32 +77,6 @@
             <id>integration</id>
             <build>
                 <plugins>
-                    <plugin>
-                        <groupId>org.apache.maven.plugins</groupId>
-                        <artifactId>maven-surefire-plugin</artifactId>
-                        <executions>
-                            <execution>
-                                <phase>integration-test</phase>
-                                <goals>
-                                    <goal>test</goal>
-                                </goals>
-                                <configuration>
-                                    <excludes>
-                                        <exclude>**/*ManualTest.java</exclude>
-                                    </excludes>
-                                    <includes>
-                                        <include>**/*IntegrationTest.java</include>
-                                        <include>**/*IntTest.java</include>
-                                    </includes>
-                                </configuration>
-                            </execution>
-                        </executions>
-                        <configuration>
-                            <systemPropertyVariables>
-                                <test.mime>json</test.mime>
-                            </systemPropertyVariables>
-                        </configuration>
-                    </plugin>
                     <plugin>
                         <groupId>org.codehaus.mojo</groupId>
                         <artifactId>exec-maven-plugin</artifactId>
@@ -261,29 +108,11 @@
     </profiles>
 
     <properties>
-
-        <!-- util -->
-        <guava.version>23.0</guava.version>
-        <bouncycastle.version>1.55</bouncycastle.version>
-        <commons-codec.version>1.10</commons-codec.version>
-        <commons-math3.version>3.6.1</commons-math3.version>
-        <decimal4j.version>1.0.3</decimal4j.version>
-        <commons-collections4.version>4.1</commons-collections4.version>
-        <collections-generic.version>4.01</collections-generic.version>
-        <unix4j.version>0.4</unix4j.version>
-        <grep4j.version>1.8.7</grep4j.version>
-        <fscontext.version>4.6-b01</fscontext.version>
-        <protonpack.version>1.13</protonpack.version>
-        <streamex.version>0.6.5</streamex.version>
-        <vavr.version>0.9.0</vavr.version>
-        <spring-web.version>4.3.4.RELEASE</spring-web.version>
-
         <!-- testing -->
         <assertj.version>3.6.1</assertj.version>
         <avaitility.version>1.7.0</avaitility.version>
 
         <!-- maven plugins -->
-        <maven-surefire-plugin.version>2.21.0</maven-surefire-plugin.version>
         <sun-tools.version>1.8.0</sun-tools.version>
         <maven-jar-plugin.version>3.0.2</maven-jar-plugin.version>
     </properties>

core-java-modules/core-java-text/pom.xml

@@ -1,7 +1,6 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
-    <groupId>com.baeldung</groupId>
     <artifactId>core-java-text</artifactId>
     <version>0.1.0-SNAPSHOT</version>
     <name>core-java-text</name>
@@ -14,9 +13,6 @@
         <relativePath>../../parent-java</relativePath>
     </parent>
 
-    <dependencies>
-    </dependencies>
-
     <build>
         <finalName>core-java-text</finalName>
         <resources>
@@ -27,6 +23,4 @@
         </resources>
     </build>
 
-    <properties>
-    </properties>
 </project>

core-java-modules/core-java/pom.xml

@@ -14,16 +14,6 @@
     </parent>
 
     <dependencies>
-        <dependency>
-            <groupId>commons-io</groupId>
-            <artifactId>commons-io</artifactId>
-            <version>${commons-io.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.apache.commons</groupId>
-            <artifactId>commons-lang3</artifactId>
-            <version>${commons-lang3.version}</version>
-        </dependency>
         <dependency>
             <groupId>org.unix4j</groupId>
             <artifactId>unix4j-command</artifactId>
@@ -41,11 +31,6 @@
             <artifactId>jackson-databind</artifactId>
             <version>${jackson.version}</version>
         </dependency>
-        <dependency>
-            <groupId>com.google.code.gson</groupId>
-            <artifactId>gson</artifactId>
-            <version>${gson.version}</version>
-        </dependency>
         <!-- logging -->
         <dependency>
             <groupId>log4j</groupId>
@@ -80,41 +65,6 @@
             <artifactId>esapi</artifactId>
             <version>${esapi.version}</version>
         </dependency>
-        <dependency>
-            <groupId>com.sun.messaging.mq</groupId>
-            <artifactId>fscontext</artifactId>
-            <version>${fscontext.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>com.codepoetics</groupId>
-            <artifactId>protonpack</artifactId>
-            <version>${protonpack.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>one.util</groupId>
-            <artifactId>streamex</artifactId>
-            <version>${streamex.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>io.vavr</groupId>
-            <artifactId>vavr</artifactId>
-            <version>${vavr.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.openjdk.jmh</groupId>
-            <artifactId>jmh-core</artifactId>
-            <version>${jmh-core.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>org.openjdk.jmh</groupId>
-            <artifactId>jmh-generator-annprocess</artifactId>
-            <version>${jmh-generator-annprocess.version}</version>
-        </dependency>
-        <dependency>
-            <groupId>com.h2database</groupId>
-            <artifactId>h2</artifactId>
-            <version>${h2.version}</version>
-        </dependency>
         <!-- instrumentation -->
         <dependency>
             <groupId>org.javassist</groupId>
@@ -448,38 +398,24 @@
     </profiles>
 
     <properties>
-        
-        <!-- marshalling -->
-        <gson.version>2.8.2</gson.version>
-
         <!-- util -->
-        <commons-math3.version>3.6.1</commons-math3.version>
-        <decimal4j.version>1.0.3</decimal4j.version>
         <unix4j.version>0.4</unix4j.version>
         <grep4j.version>1.8.7</grep4j.version>
-        <fscontext.version>4.6-b01</fscontext.version>
-        <protonpack.version>1.13</protonpack.version>
-        <streamex.version>0.6.5</streamex.version>
-        <vavr.version>0.9.0</vavr.version>
 
         <!-- testing -->
         <assertj-core.version>3.10.0</assertj-core.version>
 
-        <!-- maven plugins -->
+        <!-- maven plugins -->        
-        <maven-surefire-plugin.version>2.21.0</maven-surefire-plugin.version>
-        
         <javamoney.moneta.version>1.1</javamoney.moneta.version>
         <esapi.version>2.1.0.1</esapi.version>
-        <jmh-core.version>1.19</jmh-core.version>
        
-        <jmh-generator-annprocess.version>1.19</jmh-generator-annprocess.version>
         <maven-javadoc-plugin.version>3.0.0-M1</maven-javadoc-plugin.version>
         <maven-jar-plugin.version>3.0.2</maven-jar-plugin.version>
         <onejar-maven-plugin.version>1.4.4</onejar-maven-plugin.version>
         <maven-shade-plugin.version>3.1.1</maven-shade-plugin.version>
         <spring-boot-maven-plugin.version>2.0.3.RELEASE</spring-boot-maven-plugin.version>
         <exec-maven-plugin.version>1.6.0</exec-maven-plugin.version>
-        <icu4j.version>61.1</icu4j.version>
+
         <!-- instrumentation -->
         <javaassist.version>3.21.0-GA</javaassist.version>
         

core-java-modules/pre-jpms/pom.xml

@@ -69,7 +69,4 @@
 		</plugins>
 	</build>
 
-	<properties>
-		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-	</properties>
 </project>

deeplearning4j/README.md

@@ -1,6 +1,7 @@
 ## Deeplearning4j 
 
-This module contains articles about Deeplearning4j
+This module contains articles about Deeplearning4j.
 
 ### Relevant Articles:
 - [A Guide to Deeplearning4j](https://www.baeldung.com/deeplearning4j)
+- [Logistic Regression in Java](https://www.baeldung.com/java-logistic-regression)

deeplearning4j/pom.xml

@@ -14,6 +14,11 @@
     </parent>
 
     <dependencies>
+        <dependency>
+            <groupId>org.nd4j</groupId>
+            <artifactId>nd4j-api</artifactId>
+            <version>${dl4j.version}</version>
+        </dependency>
         <dependency>
             <groupId>org.nd4j</groupId>
             <artifactId>nd4j-native-platform</artifactId>
@@ -24,10 +29,26 @@
             <artifactId>deeplearning4j-core</artifactId>
             <version>${dl4j.version}</version>
         </dependency>
+        <dependency>
+            <groupId>org.deeplearning4j</groupId>
+            <artifactId>deeplearning4j-nn</artifactId>
+            <version>${dl4j.version}</version>
+        </dependency>
+        <!-- https://mvnrepository.com/artifact/org.datavec/datavec-api -->
+        <dependency>
+            <groupId>org.datavec</groupId>
+            <artifactId>datavec-api</artifactId>
+            <version>${dl4j.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.httpcomponents</groupId>
+            <artifactId>httpclient</artifactId>
+            <version>4.3.5</version>
+        </dependency>
     </dependencies>
 
     <properties>
-        <dl4j.version>0.9.1</dl4j.version>
+        <dl4j.version>0.9.1</dl4j.version> <!-- Latest non beta version -->
     </properties>
 
-</project>
+</project>

deeplearning4j/src/main/java/com/baeldung/deeplearning4j/IrisClassifier.java

@@ -3,9 +3,9 @@ package com.baeldung.deeplearning4j;
 import org.datavec.api.records.reader.RecordReader;
 import org.datavec.api.records.reader.impl.csv.CSVRecordReader;
 import org.datavec.api.split.FileSplit;
-import org.datavec.api.util.ClassPathResource;
 import org.deeplearning4j.datasets.datavec.RecordReaderDataSetIterator;
 import org.deeplearning4j.eval.Evaluation;
+import org.deeplearning4j.nn.conf.BackpropType;
 import org.deeplearning4j.nn.conf.MultiLayerConfiguration;
 import org.deeplearning4j.nn.conf.NeuralNetConfiguration;
 import org.deeplearning4j.nn.conf.layers.DenseLayer;
@@ -19,6 +19,7 @@ import org.nd4j.linalg.dataset.SplitTestAndTrain;
 import org.nd4j.linalg.dataset.api.iterator.DataSetIterator;
 import org.nd4j.linalg.dataset.api.preprocessor.DataNormalization;
 import org.nd4j.linalg.dataset.api.preprocessor.NormalizerStandardize;
+import org.nd4j.linalg.io.ClassPathResource;
 import org.nd4j.linalg.lossfunctions.LossFunctions;
 
 import java.io.IOException;
@@ -52,8 +53,8 @@ public class IrisClassifier {
                 .iterations(1000)
                 .activation(Activation.TANH)
                 .weightInit(WeightInit.XAVIER)
-                .learningRate(0.1)
+                .regularization(true)
-                .regularization(true).l2(0.0001)
+                .learningRate(0.1).l2(0.0001)
                 .list()
                 .layer(0, new DenseLayer.Builder().nIn(FEATURES_COUNT).nOut(3)
                         .build())
@@ -62,14 +63,14 @@ public class IrisClassifier {
                 .layer(2, new OutputLayer.Builder(LossFunctions.LossFunction.NEGATIVELOGLIKELIHOOD)
                         .activation(Activation.SOFTMAX)
                         .nIn(3).nOut(CLASSES_COUNT).build())
-                .backprop(true).pretrain(false)
+                .backpropType(BackpropType.Standard).pretrain(false)
                 .build();
 
         MultiLayerNetwork model = new MultiLayerNetwork(configuration);
         model.init();
         model.fit(trainingData);
 
-        INDArray output = model.output(testData.getFeatureMatrix());
+        INDArray output = model.output(testData.getFeatures());
 
         Evaluation eval = new Evaluation(CLASSES_COUNT);
         eval.eval(testData.getLabels(), output);

deeplearning4j/src/main/java/com/baeldung/logreg/MnistClassifier.java

@@ -10,6 +10,7 @@ import org.datavec.api.split.FileSplit;
 import org.datavec.image.loader.NativeImageLoader;
 import org.datavec.image.recordreader.ImageRecordReader;
 import org.deeplearning4j.datasets.datavec.RecordReaderDataSetIterator;
+import org.deeplearning4j.eval.Evaluation;
 import org.deeplearning4j.nn.conf.MultiLayerConfiguration;
 import org.deeplearning4j.nn.conf.NeuralNetConfiguration;
 import org.deeplearning4j.nn.conf.inputs.InputType;
@@ -21,15 +22,12 @@ import org.deeplearning4j.nn.multilayer.MultiLayerNetwork;
 import org.deeplearning4j.nn.weights.WeightInit;
 import org.deeplearning4j.optimize.listeners.ScoreIterationListener;
 import org.deeplearning4j.util.ModelSerializer;
-import org.nd4j.evaluation.classification.Evaluation;
 import org.nd4j.linalg.activations.Activation;
 import org.nd4j.linalg.dataset.api.iterator.DataSetIterator;
 import org.nd4j.linalg.dataset.api.preprocessor.DataNormalization;
 import org.nd4j.linalg.dataset.api.preprocessor.ImagePreProcessingScaler;
 import org.nd4j.linalg.learning.config.Nesterovs;
 import org.nd4j.linalg.lossfunctions.LossFunctions;
-import org.nd4j.linalg.schedule.MapSchedule;
-import org.nd4j.linalg.schedule.ScheduleType;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -44,7 +42,7 @@ import org.slf4j.LoggerFactory;
 
 public class MnistClassifier {
     private static final Logger logger = LoggerFactory.getLogger(MnistClassifier.class);
-    private static final String basePath = System.getProperty("java.io.tmpdir") + "mnist" + File.separator;
+    private static final String basePath = System.getProperty("java.io.tmpdir") + File.separator + "mnist" + File.separator;
     private static final File modelPath = new File(basePath + "mnist-model.zip");
     private static final String dataUrl = "http://github.com/myleott/mnist_png/raw/master/mnist_png.tar.gz";
 
@@ -71,8 +69,7 @@ public class MnistClassifier {
             String localFilePath = basePath + "mnist_png.tar.gz";
             File file = new File(localFilePath);
             if (!file.exists()) {
-                file.getParentFile()
+                file.getParentFile().mkdirs();
-                    .mkdirs();
                 Utils.downloadAndSave(dataUrl, file);
                 Utils.extractTarArchive(file, basePath);
             }
@@ -135,15 +132,15 @@ public class MnistClassifier {
             .build();
         final MultiLayerConfiguration config = new NeuralNetConfiguration.Builder().seed(seed)
             .l2(0.0005) // ridge regression value
-            .updater(new Nesterovs(new MapSchedule(ScheduleType.ITERATION, learningRateSchedule)))
+            .updater(new Nesterovs()) //TODO new MapSchedule(ScheduleType.ITERATION, learningRateSchedule)
             .weightInit(WeightInit.XAVIER)
             .list()
-            .layer(layer1)
+            .layer(0, layer1)
-            .layer(layer2)
+            .layer(1, layer2)
-            .layer(layer3)
+            .layer(2, layer3)
-            .layer(layer2)
+            .layer(3, layer2)
-            .layer(layer4)
+            .layer(4, layer4)
-            .layer(layer5)
+            .layer(5, layer5)
             .setInputType(InputType.convolutionalFlat(height, width, channels))
             .build();
 
@@ -165,4 +162,4 @@ public class MnistClassifier {
         ModelSerializer.writeModel(model, modelPath, true);
         logger.info("The MINIST model has been saved in {}", modelPath.getPath());
     }
-}
+}

httpclient-simple/src/test/java/com/baeldung/client/RestClientLiveManualTest.java

@@ -6,9 +6,9 @@ import static org.junit.Assert.assertThat;
 
 import java.io.IOException;
 import java.security.GeneralSecurityException;
-import java.security.cert.X509Certificate;
 
 import javax.net.ssl.SSLContext;
+import javax.net.ssl.SSLPeerUnverifiedException;
 
 import org.apache.http.HttpResponse;
 import org.apache.http.client.ClientProtocolException;
@@ -46,7 +46,7 @@ public class RestClientLiveManualTest {
     // old httpClient will throw UnsupportedOperationException
     @Ignore
     @Test
-    public final void givenAcceptingAllCertificates_whenHttpsUrlIsConsumed_thenOk_1() throws GeneralSecurityException {
+    public final void givenAcceptingAllCertificates_whenHttpsUrlIsConsumed_thenOk() throws GeneralSecurityException {
         final HttpComponentsClientHttpRequestFactory requestFactory = new HttpComponentsClientHttpRequestFactory();
         final CloseableHttpClient httpClient = (CloseableHttpClient) requestFactory.getHttpClient();
 
@@ -92,7 +92,7 @@ public class RestClientLiveManualTest {
     }
 
     @Test
-    public final void givenAcceptingAllCertificatesUsing4_4_whenHttpsUrlIsConsumedUsingRestTemplate_thenCorrect() throws ClientProtocolException, IOException {
+    public final void givenAcceptingAllCertificatesUsing4_4_whenUsingRestTemplate_thenCorrect() throws ClientProtocolException, IOException {
         final CloseableHttpClient httpClient = HttpClients.custom().setSSLHostnameVerifier(new NoopHostnameVerifier()).build();
         final HttpComponentsClientHttpRequestFactory requestFactory = new HttpComponentsClientHttpRequestFactory();
         requestFactory.setHttpClient(httpClient);
@@ -101,4 +101,12 @@ public class RestClientLiveManualTest {
         assertThat(response.getStatusCode().value(), equalTo(200));
     }
 
+    @Test(expected = SSLPeerUnverifiedException.class)
+    public void whenHttpsUrlIsConsumed_thenException() throws ClientProtocolException, IOException {
+        CloseableHttpClient httpClient = HttpClients.createDefault();
+        String urlOverHttps = "https://localhost:8082/httpclient-simple";
+        HttpGet getMethod = new HttpGet(urlOverHttps);
+        HttpResponse response = httpClient.execute(getMethod);
+        assertThat(response.getStatusLine().getStatusCode(), equalTo(200));
+    }
 }

jackson/src/main/java/com/baeldung/jackson/deserialization/dynamicobject/Product.java

@@ -5,7 +5,7 @@ import java.util.Map;
 
 import com.fasterxml.jackson.annotation.JsonAnySetter;
 
-public class ProductJsonAnySetter {
+public class Product {
 
     private String name;
     private String category;

jackson/src/test/java/com/baeldung/jackson/deserialization/dynamicobject/DynamicObjectDeserializationUnitTest.java

@@ -59,7 +59,7 @@ public class DynamicObjectDeserializationUnitTest {
         String json = readResource("/deserialize-dynamic-object/flat.json");
 
         // when
-        ProductJsonAnySetter product = objectMapper.readValue(json, ProductJsonAnySetter.class);
+        Product product = objectMapper.readValue(json, Product.class);
 
         // then
         assertThat(product.getName()).isEqualTo("Pear yPhone 72");

java-ee-8-security-api/pom.xml

@@ -14,6 +14,13 @@
 		<version>1.0.0-SNAPSHOT</version>
 	</parent>
 
+    <modules>
+        <module>app-auth-basic-store-db</module>
+        <module>app-auth-form-store-ldap</module>
+        <module>app-auth-custom-form-store-custom</module>
+        <module>app-auth-custom-no-store</module>
+    </modules>
+
     <dependencies>
     
         <dependency>
@@ -58,17 +65,9 @@
         </plugins>
     </build>
 
-    <modules>
-        <module>app-auth-basic-store-db</module>
-        <module>app-auth-form-store-ldap</module>
-        <module>app-auth-custom-form-store-custom</module>
-        <module>app-auth-custom-no-store</module>
-    </modules>
-
     <properties>
         <defaultHttpPort>9080</defaultHttpPort>
         <defaultHttpsPort>9443</defaultHttpsPort>
-
         <javaee-version>8.0</javaee-version>
         <liberty-maven-plugin.version>2.3</liberty-maven-plugin.version>
         <openliberty-runtime.version>18.0.0.1</openliberty-runtime.version>

java-strings-2/README.md

@@ -8,14 +8,12 @@ This module contains articles about strings in Java.
 - [Check If a String Contains a Substring](https://www.baeldung.com/java-string-contains-substring)
 - [Removing Stopwords from a String in Java](https://www.baeldung.com/java-string-remove-stopwords)
 - [Java – Generate Random String](https://www.baeldung.com/java-random-string)
-- [Image to Base64 String Conversion](https://www.baeldung.com/java-base64-image-string)
 - [Java Base64 Encoding and Decoding](https://www.baeldung.com/java-base64-encode-and-decode)
 - [Generate a Secure Random Password in Java](https://www.baeldung.com/java-generate-secure-password)
 - [Removing Repeated Characters from a String](https://www.baeldung.com/java-remove-repeated-char)
 - [Join Array of Primitives with Separator in Java](https://www.baeldung.com/java-join-primitive-array)
 - [Pad a String with Zeros or Spaces in Java](https://www.baeldung.com/java-pad-string)
 - [Remove Emojis from a Java String](https://www.baeldung.com/java-string-remove-emojis)
-- [Convert a Comma Separated String to a List in Java](https://www.baeldung.com/java-string-with-separator-to-list)
 - [Guide to java.util.Formatter](https://www.baeldung.com/java-string-formatter)
 - [Remove Leading and Trailing Characters from a String](https://www.baeldung.com/java-remove-trailing-characters)
 - [Concatenating Strings In Java](https://www.baeldung.com/java-strings-concatenation)

java-strings-3/README.md

@@ -3,6 +3,7 @@
 This module contains articles about strings in Java.
 
 ### Relevant Articles:
-
+- [Java String equalsIgnoreCase()](https://www.baeldung.com/java-string-equalsignorecase)
-- [Converting Java String to Double](https://www.baeldung.com/java-string-to-double)
+- [Finding the Difference Between Two Strings](https://www.baeldung.com/java-difference-between-two-strings)
+- [Counting Words in a String](https://www.baeldung.com/java-word-counting)
 - More articles: [[<-- prev>]](/java-strings-2)