Java学习interface4

A

package com.mashibing.interfacedemo5;

public interface A {
    public void show();
}

B

package com.mashibing.interfacedemo5;

public interface B extends A{
}

C

package com.mashibing.interfacedemo5;

/**
 * @author: 马士兵教育
 * @create: 2019-08-31 21:50
 */
public  abstract class C  implements A{
//    @Override
//    public void show(){
//        System.out.println("show");
//    }
}