package com.itheima.test02;
public class Demo02 {
public static void main(String[] args) {
Zi zi =new Zi();
zi.show();
}
}
class Fu {
public String num = "父类成员变量";
public void show() {
System.out.println(this.num);
System.out.println(this.fun1());
//System.out.println("父类方法");
}
public String fun1() {
System.out.println(this.num);
return "父类调用";
}
}
class Zi extends Fu {
public String num = "子类成员变量";
public String fun1() {
System.out.println(this.num);
return "子类调用";
}
}