黑马JAVA P116 匿名内部类

package com.itheima.d8_innerclass_anonymous;

import com.itheima.d3_polymorphic_convert.Animal;

public class Test {
    public static void main(String[] args) {
        Animal a = new Animal(){
            @Override
            public void run(){
                System.out.println("老虎跑的快~~~");
            }
        };
        a.run();
    }
}

// class Tiger extends Animal{
// @override
// public void run(){
//    system.out.println("老虎跑的快~~~");
//   }
//}

package com.itheima.d8_innerclass_anonymous;

/**
 * 目标：掌握匿名内部类的使用形式（语法）
 */

public class Test2 {
    public static void main(String[] args) {
        Swimming s = new Swimming() {
            @Override
            public void swim() {
                System.out.println("学生快乐的游泳");
            }
        };
        go(s);
        System.out.println("-----");
        Swimming s1 = new Swimming() {
            @Override
            public void swim() {
                System.out.println("老师游的贼快");
            }
        };
        go(s1);
        System.out.println("------");

        go(new Swimming() {
            @Override
            public void swim() {
                System.out.println("运动员游的贼快~~");
            }
        });
    }

    /**
     * 学生 老师 运动员可以一起参加游泳比赛
     */

    public static void go(Swimming s) {
        System.out.println("开始。。。");
        s.swim();
        System.out.println("结束。。。");
    }
}

interface Swimming {
    void swim();
}