Merge branch 'master' into core-java-move-1
This commit is contained in:
Sam Millington
GitHub
@@ -20,7 +20,6 @@
|
||||
- [Finding Min/Max in an Array with Java](http://www.baeldung.com/java-array-min-max)
|
||||
- [Internationalization and Localization in Java 8](http://www.baeldung.com/java-8-localization)
|
||||
- [Java Optional – orElse() vs orElseGet()](http://www.baeldung.com/java-optional-or-else-vs-or-else-get)
|
||||
- [Method Parameter Reflection in Java](http://www.baeldung.com/java-parameter-reflection)
|
||||
- [Java 8 Unsigned Arithmetic Support](http://www.baeldung.com/java-unsigned-arithmetic)
|
||||
- [Generalized Target-Type Inference in Java](http://www.baeldung.com/java-generalized-target-type-inference)
|
||||
- [Overriding System Time for Testing in Java](http://www.baeldung.com/java-override-system-time)
|
||||
|
||||
@@ -134,16 +134,6 @@
|
||||
</resources>
|
||||
|
||||
<plugins>
|
||||
<plugin>
|
||||
<groupId>org.apache.maven.plugins</groupId>
|
||||
<artifactId>maven-compiler-plugin</artifactId>
|
||||
<version>${maven-compiler-plugin.version}</version>
|
||||
<configuration>
|
||||
<source>1.8</source>
|
||||
<target>1.8</target>
|
||||
<compilerArgument>-parameters</compilerArgument>
|
||||
</configuration>
|
||||
</plugin>
|
||||
<plugin>
|
||||
<groupId>org.springframework.boot</groupId>
|
||||
<artifactId>spring-boot-maven-plugin</artifactId>
|
||||
@@ -192,7 +182,6 @@
|
||||
<jmh-generator.version>1.19</jmh-generator.version>
|
||||
<spring-boot-maven-plugin.version>2.0.4.RELEASE</spring-boot-maven-plugin.version>
|
||||
<!-- plugins -->
|
||||
<maven-compiler-plugin.version>3.8.0</maven-compiler-plugin.version>
|
||||
<maven-surefire-plugin.version>2.22.1</maven-surefire-plugin.version>
|
||||
</properties>
|
||||
</project>
|
||||
|
||||
@@ -0,0 +1,40 @@
|
||||
package com.baeldung.java.list;
|
||||
|
||||
import java.util.ArrayList;
|
||||
import java.util.Iterator;
|
||||
import java.util.List;
|
||||
|
||||
public class RemoveFromList {
|
||||
|
||||
public static void main(String[] args) {
|
||||
List<String> sports = new ArrayList<>();
|
||||
sports.add("Football");
|
||||
sports.add("Basketball");
|
||||
sports.add("Baseball");
|
||||
sports.add("Boxing");
|
||||
sports.add("Cycling");
|
||||
|
||||
System.out.println("List before removing: " + sports);
|
||||
|
||||
// Remove with index
|
||||
sports.remove(1);
|
||||
|
||||
// Remove with an element
|
||||
sports.remove("Baseball");
|
||||
|
||||
// Iterator remove method
|
||||
Iterator<String> iterator = sports.iterator();
|
||||
while (iterator.hasNext()) {
|
||||
if (iterator.next().equals("Boxing")) {
|
||||
iterator.remove();
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
// ArrayList removeIf method (Java 8)
|
||||
sports.removeIf(p -> p.equals("Cycling"));
|
||||
|
||||
System.out.println("List after removing: " + sports);
|
||||
}
|
||||
|
||||
}
|
||||
@@ -10,8 +10,4 @@
|
||||
- [Java List Initialization in One Line](https://www.baeldung.com/java-init-list-one-line)
|
||||
- [Ways to Iterate Over a List in Java](https://www.baeldung.com/java-iterate-list)
|
||||
- [Flattening Nested Collections in Java](http://www.baeldung.com/java-flatten-nested-collections)
|
||||
- [Intersection of Two Lists in Java](https://www.baeldung.com/java-lists-intersection)
|
||||
- [Determine If All Elements Are the Same in a Java List](https://www.baeldung.com/java-list-all-equal)
|
||||
- [List of Primitive Integer Values in Java](https://www.baeldung.com/java-list-primitive-int)
|
||||
- [Performance Comparison of Primitive Lists in Java](https://www.baeldung.com/java-list-primitive-performance)
|
||||
- [Filtering a Java Collection by a List](https://www.baeldung.com/java-filter-collection-by-list)
|
||||
- [Intersection of Two Lists in Java](https://www.baeldung.com/java-lists-intersection)
|
||||
@@ -36,41 +36,11 @@
|
||||
<version>${lombok.version}</version>
|
||||
<scope>provided</scope>
|
||||
</dependency>
|
||||
|
||||
<dependency>
|
||||
<groupId>net.sf.trove4j</groupId>
|
||||
<artifactId>trove4j</artifactId>
|
||||
<version>${trove4j.version}</version>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>it.unimi.dsi</groupId>
|
||||
<artifactId>fastutil</artifactId>
|
||||
<version>${fastutil.version}</version>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>colt</groupId>
|
||||
<artifactId>colt</artifactId>
|
||||
<version>${colt.version}</version>
|
||||
</dependency>
|
||||
|
||||
<dependency>
|
||||
<groupId>org.openjdk.jmh</groupId>
|
||||
<artifactId>jmh-core</artifactId>
|
||||
<version>${jmh-core.version}</version>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.openjdk.jmh</groupId>
|
||||
<artifactId>jmh-generator-annprocess</artifactId>
|
||||
<version>${jmh-core.version}</version>
|
||||
</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>
|
||||
<fastutil.version>8.1.0</fastutil.version>
|
||||
<colt.version>1.2.0</colt.version>
|
||||
</properties>
|
||||
</project>
|
||||
|
||||
11
core-java-modules/core-java-collections-list-3/README.md
Normal file
11
core-java-modules/core-java-collections-list-3/README.md
Normal file
@@ -0,0 +1,11 @@
|
||||
=========
|
||||
|
||||
## Core Java Collections List Cookbooks and Examples
|
||||
|
||||
### Relevant Articles:
|
||||
- [Collections.emptyList() vs. New List Instance](https://www.baeldung.com/java-collections-emptylist-new-list)
|
||||
- [Copy a List to Another List in Java](http://www.baeldung.com/java-copy-list-to-another)
|
||||
- [Determine If All Elements Are the Same in a Java List](https://www.baeldung.com/java-list-all-equal)
|
||||
- [List of Primitive Integer Values in Java](https://www.baeldung.com/java-list-primitive-int)
|
||||
- [Performance Comparison of Primitive Lists in Java](https://www.baeldung.com/java-list-primitive-performance)
|
||||
- [Filtering a Java Collection by a List](https://www.baeldung.com/java-filter-collection-by-list)
|
||||
76
core-java-modules/core-java-collections-list-3/pom.xml
Normal file
76
core-java-modules/core-java-collections-list-3/pom.xml
Normal file
@@ -0,0 +1,76 @@
|
||||
<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-collections-list-3</artifactId>
|
||||
<version>0.1.0-SNAPSHOT</version>
|
||||
<name>core-java-collections-list-3</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>org.apache.commons</groupId>
|
||||
<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>${lombok.version}</version>
|
||||
<scope>provided</scope>
|
||||
</dependency>
|
||||
|
||||
<dependency>
|
||||
<groupId>net.sf.trove4j</groupId>
|
||||
<artifactId>trove4j</artifactId>
|
||||
<version>${trove4j.version}</version>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>it.unimi.dsi</groupId>
|
||||
<artifactId>fastutil</artifactId>
|
||||
<version>${fastutil.version}</version>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>colt</groupId>
|
||||
<artifactId>colt</artifactId>
|
||||
<version>${colt.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-core.version}</version>
|
||||
</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>
|
||||
<fastutil.version>8.1.0</fastutil.version>
|
||||
<colt.version>1.2.0</colt.version>
|
||||
</properties>
|
||||
</project>
|
||||
@@ -0,0 +1,13 @@
|
||||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<configuration>
|
||||
<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
|
||||
<encoder>
|
||||
<pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
|
||||
</pattern>
|
||||
</encoder>
|
||||
</appender>
|
||||
|
||||
<root level="INFO">
|
||||
<appender-ref ref="STDOUT" />
|
||||
</root>
|
||||
</configuration>
|
||||
@@ -10,7 +10,5 @@
|
||||
- [Iterating Backward Through a List](http://www.baeldung.com/java-list-iterate-backwards)
|
||||
- [Remove the First Element from a List](http://www.baeldung.com/java-remove-first-element-from-list)
|
||||
- [How to Find an Element in a List with Java](http://www.baeldung.com/find-list-element-java)
|
||||
- [Copy a List to Another List in Java](http://www.baeldung.com/java-copy-list-to-another)
|
||||
- [Finding Max/Min of a List or Collection](http://www.baeldung.com/java-collection-min-max)
|
||||
- [Collections.emptyList() vs. New List Instance](https://www.baeldung.com/java-collections-emptylist-new-list)
|
||||
- [Remove All Occurrences of a Specific Value from a List](https://www.baeldung.com/java-remove-value-from-list)
|
||||
@@ -17,15 +17,9 @@ public class FileReaderExampleUnitTest {
|
||||
public void givenFileReader_whenReadAllCharacters_thenReturnsContent() throws IOException {
|
||||
String expectedText = "Hello, World!";
|
||||
File file = new File(FILE_PATH);
|
||||
FileReader fileReader = null;
|
||||
try {
|
||||
fileReader = new FileReader(file);
|
||||
try (FileReader fileReader = new FileReader(file)) {
|
||||
String content = FileReaderExample.readAllCharactersOneByOne(fileReader);
|
||||
Assert.assertEquals(expectedText, content);
|
||||
} finally {
|
||||
if (fileReader != null) {
|
||||
fileReader.close();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@@ -33,15 +27,9 @@ public class FileReaderExampleUnitTest {
|
||||
public void givenFileReader_whenReadMultipleCharacters_thenReturnsContent() throws IOException {
|
||||
String expectedText = "Hello";
|
||||
File file = new File(FILE_PATH);
|
||||
FileReader fileReader = null;
|
||||
try {
|
||||
fileReader = new FileReader(file);
|
||||
try (FileReader fileReader = new FileReader(file)) {
|
||||
String content = FileReaderExample.readMultipleCharacters(fileReader, 5);
|
||||
Assert.assertEquals(expectedText, content);
|
||||
} finally {
|
||||
if (fileReader != null) {
|
||||
fileReader.close();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
@@ -207,6 +207,21 @@
|
||||
<target>${maven.compiler.target}</target>
|
||||
</configuration>
|
||||
</plugin>
|
||||
|
||||
<plugin>
|
||||
<!-- Build an executable JAR -->
|
||||
<groupId>org.apache.maven.plugins</groupId>
|
||||
<artifactId>maven-jar-plugin</artifactId>
|
||||
<version>${maven-jar-plugin.version}</version>
|
||||
<configuration>
|
||||
<archive>
|
||||
<manifest>
|
||||
<addClasspath>true</addClasspath>
|
||||
<mainClass>com.baeldung.resource.MyResourceLoader</mainClass>
|
||||
</manifest>
|
||||
</archive>
|
||||
</configuration>
|
||||
</plugin>
|
||||
</plugins>
|
||||
</build>
|
||||
|
||||
@@ -274,6 +289,8 @@
|
||||
<!-- 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>
|
||||
|
||||
</project>
|
||||
@@ -0,0 +1,42 @@
|
||||
package com.baeldung.resource;
|
||||
|
||||
import java.io.BufferedReader;
|
||||
import java.io.FileReader;
|
||||
import java.io.IOException;
|
||||
import java.io.InputStream;
|
||||
import java.io.InputStreamReader;
|
||||
import java.util.stream.Collectors;
|
||||
|
||||
public class MyResourceLoader {
|
||||
|
||||
private void loadFileWithReader() throws IOException {
|
||||
|
||||
try (FileReader fileReader = new FileReader("src/main/resources/input.txt");
|
||||
BufferedReader reader = new BufferedReader(fileReader)) {
|
||||
String contents = reader.lines()
|
||||
.collect(Collectors.joining(System.lineSeparator()));
|
||||
System.out.println(contents);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
private void loadFileAsResource() throws IOException {
|
||||
|
||||
try (InputStream inputStream = getClass().getResourceAsStream("/input.txt");
|
||||
BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream))) {
|
||||
String contents = reader.lines()
|
||||
.collect(Collectors.joining(System.lineSeparator()));
|
||||
System.out.println(contents);
|
||||
}
|
||||
}
|
||||
|
||||
public static void main(String[] args) throws IOException {
|
||||
|
||||
MyResourceLoader resourceLoader = new MyResourceLoader();
|
||||
|
||||
resourceLoader.loadFileAsResource();
|
||||
resourceLoader.loadFileWithReader();
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
@@ -0,0 +1,30 @@
|
||||
package com.baeldung.copyconstructor;
|
||||
|
||||
import java.util.Date;
|
||||
|
||||
public class Employee {
|
||||
|
||||
protected int id;
|
||||
protected String name;
|
||||
protected Date startDate;
|
||||
|
||||
public Employee(int id, String name, Date startDate) {
|
||||
this.id = id;
|
||||
this.name = name;
|
||||
this.startDate = startDate;
|
||||
}
|
||||
|
||||
public Employee(Employee employee) {
|
||||
this.id = employee.id;
|
||||
this.name = employee.name;
|
||||
this.startDate = new Date(employee.startDate.getTime());
|
||||
}
|
||||
|
||||
Date getStartDate() {
|
||||
return startDate;
|
||||
}
|
||||
|
||||
public Employee copy() {
|
||||
return new Employee(this);
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,31 @@
|
||||
package com.baeldung.copyconstructor;
|
||||
|
||||
import java.util.Date;
|
||||
import java.util.List;
|
||||
import java.util.stream.Collectors;
|
||||
|
||||
public class Manager extends Employee {
|
||||
|
||||
private List<Employee> directReports;
|
||||
|
||||
public Manager(int id, String name, Date startDate, List<Employee> directReports) {
|
||||
super(id, name, startDate);
|
||||
this.directReports = directReports;
|
||||
}
|
||||
|
||||
public Manager(Manager manager) {
|
||||
super(manager.id, manager.name, manager.startDate);
|
||||
this.directReports = manager.directReports.stream()
|
||||
.collect(Collectors.toList());
|
||||
}
|
||||
|
||||
@Override
|
||||
public Employee copy() {
|
||||
return new Manager(this);
|
||||
}
|
||||
|
||||
List<Employee> getDirectReport() {
|
||||
return this.directReports;
|
||||
}
|
||||
|
||||
}
|
||||
@@ -0,0 +1,36 @@
|
||||
package com.baeldung.copyconstructor;
|
||||
|
||||
import static org.junit.Assert.assertEquals;
|
||||
import static org.junit.Assert.assertNotEquals;
|
||||
|
||||
import java.util.Date;
|
||||
|
||||
import org.junit.Test;
|
||||
|
||||
public class EmployeeUnitTest {
|
||||
@Test
|
||||
public void givenCopyConstructor_whenDeepCopy_thenDistinct() {
|
||||
Date d1 = new Date(123);
|
||||
Employee e1 = new Employee(1, "Baeldung", d1);
|
||||
Employee e2 = new Employee(e1);
|
||||
assertEquals(d1, e1.getStartDate());
|
||||
assertEquals(d1, e2.getStartDate());
|
||||
|
||||
d1.setTime(456);
|
||||
assertEquals(d1, e1.getStartDate());
|
||||
assertNotEquals(d1, e2.getStartDate());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenCopyMethod_whenCopy_thenDistinct() {
|
||||
Date d1 = new Date(123);
|
||||
Employee e1 = new Employee(1, "Baeldung", d1);
|
||||
Employee e2 = e1.copy();
|
||||
assertEquals(d1, e1.getStartDate());
|
||||
assertEquals(d1, e2.getStartDate());
|
||||
|
||||
d1.setTime(456);
|
||||
assertEquals(d1, e1.getStartDate());
|
||||
assertNotEquals(d1, e2.getStartDate());
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,67 @@
|
||||
package com.baeldung.copyconstructor;
|
||||
|
||||
import static org.junit.Assert.assertArrayEquals;
|
||||
import static org.junit.Assert.assertEquals;
|
||||
import static org.junit.Assert.assertTrue;
|
||||
|
||||
import java.util.ArrayList;
|
||||
import java.util.Date;
|
||||
import java.util.List;
|
||||
|
||||
import org.junit.Test;
|
||||
|
||||
public class ManagerUnitTest {
|
||||
@Test
|
||||
public void givenCopyConstructor_whenDeepCopy_thenDistinct() {
|
||||
Date startDate = new Date(123);
|
||||
Employee e1 = new Employee(1, "Baeldung", startDate);
|
||||
Employee e2 = new Employee(e1);
|
||||
List<Employee> directReports = new ArrayList<Employee>();
|
||||
directReports.add(e1);
|
||||
directReports.add(e2);
|
||||
|
||||
Manager m1 = new Manager(1, "Baeldung Manager", startDate, directReports);
|
||||
Manager m2 = new Manager(m1);
|
||||
List<Employee> directReports1 = m1.getDirectReport();
|
||||
List<Employee> directReports2 = m2.getDirectReport();
|
||||
assertEquals(directReports1.size(), directReports2.size());
|
||||
assertArrayEquals(directReports1.toArray(), directReports2.toArray());
|
||||
|
||||
// clear m1's direct reports list. m2's list should not be affected
|
||||
directReports.clear();
|
||||
directReports1 = m1.getDirectReport();
|
||||
directReports2 = m2.getDirectReport();
|
||||
assertEquals(0, directReports1.size());
|
||||
assertEquals(2, directReports2.size());
|
||||
|
||||
}
|
||||
|
||||
@Test
|
||||
public void givenCopyMethod_whenCopy_thenDistinct() {
|
||||
Date startDate = new Date(123);
|
||||
Employee e1 = new Employee(1, "Baeldung", startDate);
|
||||
Employee e2 = new Employee(e1);
|
||||
List<Employee> directReports = new ArrayList<Employee>();
|
||||
directReports.add(e1);
|
||||
directReports.add(e2);
|
||||
|
||||
// a Manager object whose declaration type is Employee.
|
||||
Employee source = new Manager(1, "Baeldung Manager", startDate, directReports);
|
||||
Employee clone = source.copy();
|
||||
|
||||
// after copy, clone should be still a Manager object.
|
||||
assertTrue(clone instanceof Manager);
|
||||
List<Employee> directReports1 = ((Manager) source).getDirectReport();
|
||||
List<Employee> directReports2 = ((Manager) clone).getDirectReport();
|
||||
assertEquals(directReports1.size(), directReports2.size());
|
||||
assertArrayEquals(directReports1.toArray(), directReports2.toArray());
|
||||
|
||||
// clear source's direct reports list. clone's list should not be affected
|
||||
directReports.clear();
|
||||
directReports1 = ((Manager) source).getDirectReport();
|
||||
directReports2 = ((Manager) clone).getDirectReport();
|
||||
assertEquals(0, directReports1.size());
|
||||
assertEquals(2, directReports2.size());
|
||||
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,36 @@
|
||||
package com.baeldung.booleanoperators;
|
||||
|
||||
public class Car {
|
||||
|
||||
private boolean diesel;
|
||||
private boolean manual;
|
||||
|
||||
public Car(boolean diesel, boolean manual) {
|
||||
this.diesel = diesel;
|
||||
this.manual = manual;
|
||||
}
|
||||
|
||||
public boolean isDiesel() {
|
||||
return diesel;
|
||||
}
|
||||
|
||||
public boolean isManual() {
|
||||
return manual;
|
||||
}
|
||||
|
||||
static Car dieselAndManualCar() {
|
||||
return new Car(true, true);
|
||||
}
|
||||
|
||||
static Car dieselAndAutomaticCar() {
|
||||
return new Car(true, false);
|
||||
}
|
||||
|
||||
static Car oilAndManualCar() {
|
||||
return new Car(false, true);
|
||||
}
|
||||
|
||||
static Car oilAndAutomaticCar() {
|
||||
return new Car(false, false);
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,69 @@
|
||||
package com.baeldung.booleanoperators;
|
||||
|
||||
import org.junit.jupiter.api.Test;
|
||||
|
||||
import static org.assertj.core.api.Assertions.assertThat;
|
||||
|
||||
class XorUnitTest {
|
||||
|
||||
@Test
|
||||
void givenDieselManualCar_whenXorOldSchool_thenFalse() {
|
||||
Car car = Car.dieselAndManualCar();
|
||||
boolean dieselXorManual = (car.isDiesel() && !car.isManual()) || (!car.isDiesel() && car.isManual());
|
||||
assertThat(dieselXorManual).isFalse();
|
||||
}
|
||||
|
||||
@Test
|
||||
void givenDieselAutomaticCar_whenXorOldSchool_thenTrue() {
|
||||
Car car = Car.dieselAndAutomaticCar();
|
||||
boolean dieselXorManual = (car.isDiesel() && !car.isManual()) || (!car.isDiesel() && car.isManual());
|
||||
assertThat(dieselXorManual).isTrue();
|
||||
}
|
||||
|
||||
@Test
|
||||
void givenNonDieselManualCar_whenXorOldSchool_thenTrue() {
|
||||
Car car = Car.oilAndManualCar();
|
||||
boolean dieselXorManual = (car.isDiesel() && !car.isManual()) || (!car.isDiesel() && car.isManual());
|
||||
assertThat(dieselXorManual).isTrue();
|
||||
}
|
||||
|
||||
@Test
|
||||
void givenNonDieselAutomaticCar_whenXorOldSchool_thenFalse() {
|
||||
Car car = Car.oilAndAutomaticCar();
|
||||
boolean dieselXorManual = (car.isDiesel() && !car.isManual()) || (!car.isDiesel() && car.isManual());
|
||||
assertThat(dieselXorManual).isFalse();
|
||||
}
|
||||
|
||||
@Test
|
||||
void givenDieselManualCar_whenXor_thenFalse() {
|
||||
Car car = Car.dieselAndManualCar();
|
||||
boolean dieselXorManual = car.isDiesel() ^ car.isManual();
|
||||
assertThat(dieselXorManual).isFalse();
|
||||
}
|
||||
|
||||
@Test
|
||||
void givenDieselAutomaticCar_whenXor_thenTrue() {
|
||||
Car car = Car.dieselAndAutomaticCar();
|
||||
boolean dieselXorManual = car.isDiesel() ^ car.isManual();
|
||||
assertThat(dieselXorManual).isTrue();
|
||||
}
|
||||
|
||||
@Test
|
||||
void givenNonDieselManualCar_whenXor_thenTrue() {
|
||||
Car car = Car.oilAndManualCar();
|
||||
boolean dieselXorManual = car.isDiesel() ^ car.isManual();
|
||||
assertThat(dieselXorManual).isTrue();
|
||||
}
|
||||
|
||||
@Test
|
||||
void givenNonDieselAutomaticCar_whenXor_thenFalse() {
|
||||
Car car = Car.oilAndAutomaticCar();
|
||||
boolean dieselXorManual = car.isDiesel() ^ car.isManual();
|
||||
assertThat(dieselXorManual).isFalse();
|
||||
}
|
||||
|
||||
@Test
|
||||
void givenNumbersOneAndThree_whenXor_thenTwo() {
|
||||
assertThat(1 ^ 3).isEqualTo(2);
|
||||
}
|
||||
}
|
||||
@@ -3,13 +3,10 @@
|
||||
## Core Java Lang Cookbooks and Examples
|
||||
|
||||
### Relevant Articles:
|
||||
- [Guide to Java Reflection](http://www.baeldung.com/java-reflection)
|
||||
|
||||
- [Generate equals() and hashCode() with Eclipse](http://www.baeldung.com/java-eclipse-equals-and-hashcode)
|
||||
- [Chained Exceptions in Java](http://www.baeldung.com/java-chained-exceptions)
|
||||
- [Call Methods at Runtime Using Java Reflection](http://www.baeldung.com/java-method-reflection)
|
||||
- [Iterating Over Enum Values in Java](http://www.baeldung.com/java-enum-iteration)
|
||||
- [Changing Annotation Parameters At Runtime](http://www.baeldung.com/java-reflection-change-annotation-params)
|
||||
- [Dynamic Proxies in Java](http://www.baeldung.com/java-dynamic-proxies)
|
||||
- [Java Double Brace Initialization](http://www.baeldung.com/java-double-brace-initialization)
|
||||
- [Guide to the Diamond Operator in Java](http://www.baeldung.com/java-diamond-operator)
|
||||
- [Comparator and Comparable in Java](http://www.baeldung.com/java-comparator-comparable)
|
||||
|
||||
@@ -1,4 +1,9 @@
|
||||
## Relevant Articles
|
||||
|
||||
- [Void Type in Java](https://www.baeldung.com/java-void-type)
|
||||
- [Retrieve Fields from a Java Class Using Reflection](https://www.baeldung.com/java-reflection-class-fields)
|
||||
- [Retrieve Fields from a Java Class Using Reflection](https://www.baeldung.com/java-reflection-class-fields)
|
||||
- [Method Parameter Reflection in Java](http://www.baeldung.com/java-parameter-reflection)
|
||||
- [Guide to Java Reflection](http://www.baeldung.com/java-reflection)
|
||||
- [Call Methods at Runtime Using Java Reflection](http://www.baeldung.com/java-method-reflection)
|
||||
- [Changing Annotation Parameters At Runtime](http://www.baeldung.com/java-reflection-change-annotation-params)
|
||||
- [Dynamic Proxies in Java](http://www.baeldung.com/java-dynamic-proxies)
|
||||
@@ -23,7 +23,30 @@
|
||||
</dependency>
|
||||
</dependencies>
|
||||
|
||||
<build>
|
||||
<finalName>core-java-reflection</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>1.8</source>
|
||||
<target>1.8</target>
|
||||
<compilerArgument>-parameters</compilerArgument>
|
||||
</configuration>
|
||||
</plugin>
|
||||
</plugins>
|
||||
</build>
|
||||
|
||||
<properties>
|
||||
<maven-compiler-plugin.version>3.8.0</maven-compiler-plugin.version>
|
||||
<assertj-core.version>3.10.0</assertj-core.version>
|
||||
</properties>
|
||||
</project>
|
||||
@@ -3,6 +3,7 @@ package com.baeldung.uuid;
|
||||
import java.io.UnsupportedEncodingException;
|
||||
import java.security.MessageDigest;
|
||||
import java.security.NoSuchAlgorithmException;
|
||||
import java.util.Arrays;
|
||||
import java.util.UUID;
|
||||
|
||||
public class UUIDGenerator {
|
||||
@@ -65,9 +66,9 @@ public class UUIDGenerator {
|
||||
try {
|
||||
md = MessageDigest.getInstance("SHA-1");
|
||||
} catch (NoSuchAlgorithmException nsae) {
|
||||
throw new InternalError("MD5 not supported", nsae);
|
||||
throw new InternalError("SHA-1 not supported", nsae);
|
||||
}
|
||||
byte[] bytes = md.digest(name);
|
||||
byte[] bytes = Arrays.copyOfRange(md.digest(name), 0, 16);
|
||||
bytes[6] &= 0x0f; /* clear version */
|
||||
bytes[6] |= 0x50; /* set to version 5 */
|
||||
bytes[8] &= 0x3f; /* clear variant */
|
||||
|
||||
Reference in New Issue
Block a user