注意:此页面搜索的是所有试题
public class Father{
int a=100;
public void miner(){
a--;
}
public static void main(String[] args){
Father x = new Father();
Son y = new Son();
System.out.println(y.a);
System.out.println( y.getA());
y.miner();
System.out.println(y.a);
System.out.println(y.getA());
}
}
class Son extends Father{
int a = 0;
public void plus(){
a++;
}
public int getA() {
return super.a;
}
}

参考答案