/**
 * 推到lambda表达式
 */
public class lambda1 {


    //静态内部类
    static class Like2 implements iLike {
        @Override
        public void lambda() {
            System.out.println("I like lambda2");
        }
    }



    public static void main(String[] args) {
        Like like = new Like();
        like.lambda();

        Like2 like2 = new Like2();
        like2.lambda();


        //局部内部类
        class Like3 implements iLike {
            @Override
            public void lambda() {
                System.out.println("I like lambda3");
            }
        }
        Like3 like3 = new Like3();
        like3.lambda();


        //匿名内部类，没有类的名称，必须借助接口或者父类
        iLike like1 = new iLike() {
            @Override
            public void lambda () {
                System.out.println("I like lambda4");
            }
        };
        like1.lambda();



        //jdk1.8,  用lambda简化
        like1= ()-> {
            System.out.println("I like lambda5");
        };
        like1.lambda();

    }
}

//定义一个函数是接口
interface iLike {
    void lambda();
}

//实现类
class Like implements iLike {

    @Override
    public void lambda() {
        System.out.println("I like lambda1");
    }
}