day12 JAVA

最新推荐文章于 2022-06-27 19:47:54 发布

原创最新推荐文章于 2022-06-27 19:47:54 发布 · 82 阅读

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1.创建Demo01Interface.java

package com.hg.demo01;

public class Demo01lnterface {
private static void main(String[] args){

	MyInterfaceImol impl=new MyInterfaceImp();
	
	impl.methodA();
	impl.methodB();
	impl.methodC();
	impl.methodD();
	
}

}
2.创建MyInterfaceDefault
package com.hg.demo01;

public interface MyInterfaceDefault {

public default void usb3() {
	System.out.println("这是USB。0新增加功能");
}

}
3.创建Mylnterface
package com.hg.demo01;

public interface Mylnterface {

public abstract void methodA();
abstract void methodB();
public void methodc();
void methodD();

}

4.创建MylnterfaceDefaultA
package com.hg.demo01;

public interface MylnterfaceDefaultA implements MyInterfaceDefult{

public void.println("我是的笔记本电脑的USB2.0");

}
5.创建MylnterfaceDefaultB
package com.hg.demo01;

public class MylnterfaceDefaultB {

public void usb2() {
	System.out.println("我是硬盘的USB2.0");
}

}
5.创建Mylnterfacelmpl
package com.hg.demo01;

public class Mylnterfacelmpl implements Mylnterface {

@Override
public void methodA() {
	// TODO Auto-generated method stub
	System.out.println("方法A");
}

@Override
public void methodB() {
	// TODO Auto-generated method stub
	System.out.println("方法B");
}

@Override
public void methodc() {
	// TODO Auto-generated method stub
	System.out.println("方法C");
}

@Override
public void methodD() {
	// TODO Auto-generated method stub
	System.out.println("方法D");
}

}