JAVA27 重写父类方法

描述

父类Base中定义了若干get方法，以及一个sum方法，sum方法是对一组数字的求和。请在子类 Sub 中重写 getX() 方法，使得 sum 方法返回结果为 x*10+y

输入描述：

整数

输出描述：

整数的和

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import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        while (scanner.hasNextInt()) {
            int x = scanner.nextInt();
            int y = scanner.nextInt();
            Sub sub = new Sub(x, y);
            System.out.println(sub.sum());
        }
    }

}

class Base {

    private int x;
    private int y;

    public Base(int x, int y) {
        this.x = x;
        this.y = y;
    }

    public int getX() {
        return x;
    }

    public final int getY() {
        return y;
    }

    public final int sum() {
        return getX() + getY();
    }

}

class Sub extends Base {

    public Sub(int x, int y) {
        super(x, y);
    }

    //write your code here......
    public int getX(){
          return(super.getX())*10;  
    }

}