新人笔记-继承简略

package com_black.jicheng;
//调试类
public class Demo {
    public static void main(String[] args) {
        //创建对象调用方法
        fu c=new fu();
        c.show();
        zi z=new zi();
        z.method();
        z.show();
    }
}



package com_black.jicheng;

public class fu {
    public void show(){
        System.out.println("show方法被调用");
    }
}


package com_black.jicheng;

public class zi extends fu{
    public void method(){
        System.out.println("method方法被调用");
    }
}