12-25

package com.huiyuan;

import java.util.Scanner;
/*
 * HuiYuan2.java
 * 会员中奖
 *2018.12.25
 */

public class HuiYuan2 {
    public static void main(String[] args){ ;
        //创建一个Scanner类
        Scanner sc = new Scanner(System.in);
            System.out.println("请输入四位会员卡号：");
        //定义个会员名custNo
        int custNo = sc.nextInt();
            System.out.println("会员卡号是："+custNo);
        //定义个位十位百位千位变量名
        int gewei = custNo/1000;
        int shiwei = custNo/100%10;
        int baiwei = custNo/10%10;
        int qianwei = custNo%10;
        //求出各位数之和
        int sum = gewei+shiwei+baiwei+qianwei;
            System.out.println("会员卡号是"+custNo+"各位之和："+sum);
        //判断是否中奖
        String min = sum>20?"恭喜您中奖500万":"很抱歉不中奖";
            System.out.println(min);
    }    
}

package com.gz;

import java.util.Scanner;

public class Lixi {
    public static void main(String[] args) {
        //添加一个Scanner类
        Scanner sc = new Scanner(System.in);
        System.out.println("请输入本金：");
        //定义本金为x
        double x = sc.nextDouble();
        System.out.println("本金为："+x);
        //定义一年后的本息
        double one = x+x*2.25/100;
        //定义二年后的本息
        double two = x+x*2.7/100;
        //定义三年后的本息
        double stres = x+x*3.24/100;
        //定义四年后的本息
        double fore = x+x*3.6/100;
        System.out.println("获取一年后的本金是："+one);
        System.out.println("获取二年后的本金是："+two);
        System.out.println("获取三年后的本金是："+stres);
        System.out.println("获取四年后的本金是："+fore);
    }
}