java中匿名内部类详解

package com.mianshi.test;
/**
 * 类名称：AnonymousInnerClassTest 
 * 描述： 匿名内部类测试
 * 创建人：王秋林 
 * 创建时间：2017-2-12
 */
public class AnonymousInnerClassTest {
  public static void main(String args[]){   
    AnonymousInnerClassTest test = new AnonymousInnerClassTest();   
    test.show();   
  }   
  //在这个方法中构造了一个匿名内部类   
  private void show(){   
    Out anonyInter = new Out(){//获取匿名内部类实例   
      void show(){//重写父类的方法   
        System.out.println("this is Anonymous InnerClass showing.");
      }   
    };   
    anonyInter.show();//调用其方法   
  } 
}
//这是一个已经存在的类，匿名内部类通过重写其方法，将会获得另外的实现   
class Out{   
  void show(){   
    System.out.println("this is Out showing.");   
  }   
}

abstract class Person {
  public abstract void eat();
}
public class Demo {
  public static void main(String[] args) {
    Person p = new Person() {
      public void eat() {
        System.out.println("eat something");
      }
    };
    p.eat();
  }
}

interface Person {
  public void eat();
}
public class Demo {
  public static void main(String[] args) {
    Person p = new Person() {
      public void eat() {
        System.out.println("eat something");
      }
    };
    p.eat();
  }
}

public class Demo {
  public static void main(String[] args) {
    Thread t = new Thread() {
      public void run() {
        for (int i = 1; i <= 5; i++) {
          System.out.print(i + " ");
        }
      }
    };
    t.start();
  }
}

public class Demo {
  public static void main(String[] args) {
    Runnable r = new Runnable() {
      public void run() {
        for (int i = 1; i <= 5; i++) {
          System.out.print(i + " ");
        }
      }
    };
    Thread t = new Thread(r);
    t.start();
  }
}