第1个回答 2011-12-23
临时编的,勉强应付下你的考试吧……
public class zhiwu {
public zhiwu(){
System.out.println("this is shuixianhua");
}
public String a(){
return ("a is String");
}
protected int b(){
return (10);
}
}
public class shuixianhua extends zhiwu {
//继承zhiwu类
String ab = super.a();//重载zhiwu类中a方法
public int b(){
return (20);//覆盖zhiwu类中b方法
}
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
shuixianhua zhishui = new shuixianhua();
System.out.println(zhishui.ab);
System.out.println(zhishui.b());
}
}