#BAEL-16646 move https://www.baeldung.com/java-date-difference in new module java-dates-computations

core-java-modules/core-java-datetime/java-dates-computations/README.md

@@ -0,0 +1,6 @@
+## Java Date/time computations Cookbooks and Examples
+
+This module contains articles about date and time computations in Java.
+
+### Relevant Articles: 
+- [Difference Between Two Dates in Java](http://www.baeldung.com/java-date-difference)

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

@@ -0,0 +1,60 @@
+<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>java-dates-computations</artifactId>
+    <version>${project.parent.version}</version>
+    <name>java-dates-computations</name>
+    <packaging>jar</packaging>
+
+    <parent>
+        <groupId>com.baeldung</groupId>
+        <artifactId>parent-java</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../../../parent-java</relativePath>
+    </parent>
+
+    <dependencies>
+        <dependency>
+            <groupId>joda-time</groupId>
+            <artifactId>joda-time</artifactId>
+            <version>${joda-time.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>com.darwinsys</groupId>
+            <artifactId>hirondelle-date4j</artifactId>
+            <version>RELEASE</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <finalName>java-dates-computations</finalName>
+        <resources>
+            <resource>
+                <directory>src/main/resources</directory>
+                <filtering>true</filtering>
+            </resource>
+        </resources>
+
+        <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>
+        <joda-time.version>2.10</joda-time.version>
+        <!-- testing -->
+        <assertj.version>3.6.1</assertj.version>
+        <maven.compiler.source>1.9</maven.compiler.source>
+        <maven.compiler.target>1.9</maven.compiler.target>
+    </properties>
+</project>

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

@@ -16,6 +16,7 @@
 	</parent>
 
 	<modules>
+		<module>java-dates-computations</module>
 		<module>java-dates-conversion</module>
 		<module>java-dates-string</module>
 	</modules>

java-dates/README.md

@@ -6,7 +6,6 @@
 - [TemporalAdjuster in Java](http://www.baeldung.com/java-temporal-adjuster)
 - [Handling Daylight Savings Time in Java](http://www.baeldung.com/java-daylight-savings)
 - [Period and Duration in Java](http://www.baeldung.com/java-period-duration)
-- [Difference Between Two Dates in Java](http://www.baeldung.com/java-date-difference)
 - [Migrating to the New Java 8 Date Time API](http://www.baeldung.com/migrating-to-java-8-date-time-api)
 - [Introduction to the Java 8 Date/Time API](http://www.baeldung.com/java-8-date-time-intro)
 - [Get the Current Date, Time and Timestamp in Java 8](http://www.baeldung.com/current-date-time-and-timestamp-in-java-8)

java-dates/pom.xml

@@ -37,12 +37,6 @@
             <artifactId>joda-time</artifactId>
             <version>${joda-time.version}</version>
         </dependency>
-        <dependency>
-            <groupId>com.darwinsys</groupId>
-            <artifactId>hirondelle-date4j</artifactId>
-            <version>RELEASE</version>
-            <scope>test</scope>
-        </dependency>
     </dependencies>
 
     <build>

pom.xml

@@ -469,7 +469,7 @@
                 <module>java-collections-maps</module>
                 <module>java-collections-maps-2</module>
                 <module>java-jdi</module>
-				<!-- <module>core-java/core-java-datetime</module>--> <!-- We haven't upgraded to java 9. Fixing in BAEL-10841 -->
+				<!--<module>core-java-modules/core-java-datetime</module>--> <!-- We haven't upgraded to java 9. Fixing in BAEL-10841 -->
 				<!--<module>java-dates</module>-->
                 <!-- <module>java-ee-8-security-api</module> --> <!-- long running -->
                 <module>java-lite</module>