父类的重写方法

import java.util.*;


public class Subclass extends Superclass {/** n o w    j a v a  . c o m 提 供 **/

    public boolean aVariable; //hides aVariable in Superclass


    public void aMethod() { //overrides aMethod in Superclass

        aVariable = false;

        super.aMethod();

        System.out.format("%b%n", aVariable);

        System.out.format("%b%n", super.aVariable);

    }

}

class Superclass {

    public