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Add a code snippet for anonymous classes (BAEL-2833) (eugenp#6690)
* Add a code snippet about anonymous classes (BAEL-2833) Add a code snippet about anonymous classes (BAEL-2833) Create module core-java-2 and move 'anonymous' package there * Adjust the pom of core-java-8-2 module * Adjust unit test
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‎core-java-8-2/README.md‎

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=========
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## Core Java 8 Cookbooks and Examples (part 2)
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### Relevant Articles:
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- [Anonymous Classes in Java](http://www.baeldung.com/)

‎core-java-8-2/pom.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.baeldung</groupId>
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<artifactId>core-java-8-2</artifactId>
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<version>0.1.0-SNAPSHOT</version>
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<name>core-java-8-2</name>
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<packaging>jar</packaging>
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<parent>
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<groupId>com.baeldung</groupId>
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<artifactId>parent-java</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<relativePath>../parent-java</relativePath>
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</parent>
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<maven.compiler.source>1.8</maven.compiler.source>
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<maven.compiler.target>1.8</maven.compiler.target>
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</properties>
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<dependencies>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-compiler-plugin</artifactId>
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<version>${maven-compiler-plugin.version}</version>
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<configuration>
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<source>${maven.compiler.source}</source>
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<target>${maven.compiler.target}</target>
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</configuration>
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</plugin>
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</plugins>
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</build>
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</project>

‎core-java-8-2/src/main/java/com/baeldung/anonymous/Book.java‎

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package com.baeldung.anonymous;
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public class Book {
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final String title;
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public Book(String title) {
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this.title = title;
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}
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public String description() {
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return "Title: " + title;
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}
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}

‎core-java-8-2/src/main/java/com/baeldung/anonymous/Main.java‎

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package com.baeldung.anonymous;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* Code snippet that illustrates the usage of anonymous classes.
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*
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* Note that use of Runnable instances in this example does not demonstrate their
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* common use.
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*
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* @author A. Shcherbakov
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*
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*/
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public class Main {
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public static void main(String[] args) {
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final List<Runnable> actions = new ArrayList<Runnable>(2);
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Runnable action = new Runnable() {
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@Override
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public void run() {
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System.out.println("Hello from runnable.");
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}
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};
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actions.add(action);
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Book book = new Book("Design Patterns") {
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@Override
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public String description() {
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return "Famous GoF book.";
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}
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};
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System.out.println(String.format("Title: %s, description: %s", book.title, book.description()));
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actions.add(new Runnable() {
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@Override
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public void run() {
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System.out.println("Hello from runnable #2.");
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}
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});
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int count = 1;
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Runnable action2 = new Runnable() {
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static final int x = 0;
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// static int y = 0;
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@Override
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public void run() {
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System.out.println(String.format("Runnable with captured variables: count = %s, x = %s", count, x));
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}
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};
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actions.add(action2);
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for (Runnable a : actions) {
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a.run();
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}
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}
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}

‎core-java-8-2/src/test/java/com/baeldung/UnitTest.java‎

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package com.baeldung;
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import static org.junit.Assert.assertTrue;
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import org.junit.Test;
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/**
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* Unit test for simple App.
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*/
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public class UnitTest {
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/**
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* Stub test
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*/
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@Test
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public void givenPreconditions_whenCondition_shouldResult() {
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assertTrue(true);
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}
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}

‎pom.xml‎

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<!-- <module>core-java-11</module> --> <!-- We haven't upgraded to java 11. Fixing in BAEL-10841 -->
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<!-- <module>core-java-12</module> --> <!-- We haven't upgraded to java 12. Fixing in BAEL-10841 -->
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<module>core-java-8</module>
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<module>core-java-8-2</module>
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<!--<module>core-java-9</module> --> <!-- We haven't upgraded to java 9. Fixing in BAEL-10841 -->
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<!--<module>core-java-os</module> --> <!-- We haven't upgraded to java 9.-->
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<module>core-java-arrays</module>
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<!-- <module>core-java-10</module> --> <!-- We haven't upgraded to java 10. Fixing in BAEL-10841 -->
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<!-- <module>core-java-11</module> --> <!-- We haven't upgraded to java 11. Fixing in BAEL-10841 -->
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<module>core-java-8</module>
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<module>core-java-8-2</module>
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<!--<module>core-java-9</module> --> <!-- We haven't upgraded to java 9. Fixing in BAEL-10841 -->
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<!--<module>core-java-os</module> --> <!-- We haven't upgraded to java 9.-->
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<module>core-java-arrays</module>

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