作業連結：https://pan.baidu.com/s/16KCA_pohvl4gwI0R8PXTtA 

提取碼：hv7w 

1.

package com.homework;

import java.util.Scanner;

public class Lucky {
    public static void main(String[] args) {
        Scanner sc =new Scanner(System.in);
        System.out.println("請輸入4位會員卡號：");
        int num=sc.nextInt();
        System.out.println(
 
"會員卡號是："+num);
        int gewei=num%10;
        int shiwei=num/10%10;
        int baiwei=num/100%10;
        int qianwei=num/1000;
        int sum=gewei+shiwei+baiwei+qianwei;
        System.out.println("千位數："+qianwei+"\t百位數："+baiwei+"\t十位數："
        +shiwei+"\t個位數："+gewei);
        System.out.println("會員卡號"+num+"各位之和為"+sum);
        System.out.println(sum
 
>20?"會員卡號為"+num+"\t恭喜您！中獎了！":"很遺憾！未能中獎！");
    }
}

2.

package com.homework;

import java.util.Scanner;

public class BankRate {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        System.out.println("請輸入本金：");
        int capital=sc.nextInt();
        System.out.println(
 
"本金為："+capital);
        double ayear,twoyear,threeyear,fouryear;
        ayear=capital+(capital*0.0225);
        twoyear=capital+(capital*0.027);
        threeyear=capital+(capital*0.0324);
        fouryear=capital+(capital*0.036); 
        System.out.println("存取一年後的本息是："+ayear+"\n存取兩年後的本息是："+twoyear+
                "\n存取三年後的本息是："+threeyear+"\n存取四年後的本息是："+fouryear);
    }
}

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