在子类方法中访问一个变量
子类局部范围找
子类成员范围找
父类成员范围找
如果都没有就报错(不考虑父亲的父亲...)
package com.ithema_19;
/*
测试类
*/
public class Demo {
public static void main(String[] args){
//创建对象,调用方法
Zi z = new Zi();
z.show();
}
}
package com.ithema_19;
public class Fu {
//年龄
public int age = 40;
}
package com.ithema_19;
public class Zi extends Fu{
//身高
public int height = 175;
//年龄
public int age = 20;
public void show(){
int age = 30;
System.out.println(age);
System.out.println(height);
//报错
// System.out.println(weight);
}
}