判断是否中奖

链接：https://pan.baidu.com/s/1pScuqdU_6jQHt4jmyniOrw 

提取码：gcn6

用户输入一个4位会员卡号，若四位会员卡号数字之和大于20，则中奖。

package com.bd22;

import java.util.Scanner;

public class Winner {
    public static void main(String[] args) {

    Scanner input = new Scanner(System.in);
    System.out.println("请输入4位会员卡号：");
    int num = input.nextInt();
    int geWeiShu = num%10;
    int shiWeiShu = num%100/10;
    int baiWeiShu = num%1000/100;
    int qianWeiShu = num/1000;
    int sum = geWeiShu + shiWeiShu + baiWeiShu + qianWeiShu;
    System.out.println("会员卡号是："+num);
    System.out.print("千位数："+qianWeiShu+",");
    System.out.print("百位数："+baiWeiShu+",");
    System.out.print("十位数："+shiWeiShu+",");
    System.out.println("个位数："+geWeiShu);
    System.out.println("会员卡号"+num+"各位之和："+sum);

　　　 String result = num>20?"您中奖了！奖品是MP3！":"您未中奖";
　　   System.out.println("会员卡号"+num+"的会员，"+result);

    }
}

运行结果：