super 关键字

Posted 2022-07-30 hglibin

super 关键字

class FatherClass 
    public int value;
    public void f()
        value = 100;
        System.out.println("FatherClass.value="+value);
    


class ChildClass extends FatherClass 
    public int value;
    public void f()
        super.f();
        value = 200;
        System.out.println("ChildClass.value="+value);
        System.out.println(value);
        System.out.println(super.value);
    


public class Child 
    public static void main(String[] args) 
        ChildClass childClass = new ChildClass();
        childClass.f();
    

FatherClass.value=100
ChildClass.value=200
200
100