public class HelloWorldAnonymousClasses {

/**

* 包含两个方法的HelloWorld接口

*/

interface HelloWorld {

public void greet();

public void greetSomeone(String someone);

}

public void sayHello() {

// 1、局部类EnglishGreeting实现了HelloWorld接口

class EnglishGreeting implements HelloWorld {

String name = "world";

public void greet() {

greetSomeone("world");

}

public void greetSomeone(String someone) {

name = someone;

System.out.println("Hello " + name);

}

}

HelloWorld englishGreeting = new EnglishGreeting();

// 2、匿名类实现HelloWorld接口

HelloWorld frenchGreeting = new HelloWorld() {

String name = "tout le monde";

public void greet() {

greetSomeone("tout le monde");

}

public void greetSomeone(String someone) {

name = someone;

System.out.println("Salut " + name);

}

};

// 3、匿名类实现HelloWorld接口

HelloWorld spanishGreeting = new HelloWorld() {

String name = "mundo";

public void greet() {

greetSomeone("mundo");

}

public void greetSomeone(String someone) {

name = someone;

System.out.println("Hola, " + name);

}

};

englishGreeting.greet();

frenchGreeting.greetSomeone("Fred");

spanishGreeting.greet();

}

public static void main(String... args) {

HelloWorldAnonymousClasses myApp = new HelloWorldAnonymousClasses();

myApp.sayHello();

}

}