【Java】循环联系（退休计算）

weixin_30387423

于 2018-02-11 19:07:00 发布

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文章标签： java

原文链接：http://www.cnblogs.com/ieybl/p/8443017.html

版权

本文介绍了一个简单的Java程序，用于计算达到预定退休储蓄目标所需的年数。该程序通过读取用户输入的目标金额、每年贡献额和预期利率来更新账户余额，并在每一年结束时显示当前余额。

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import java.util.Scanner;
public class Retirement2 
{
    
    public static void main(String[] args)    
    {
        //read inputs
        Scanner in = new Scanner(System.in);
        
        System.out.print("How much money do you need to retire?");
        double goal = in.nextDouble();
        
        System.out.print("How much money will you contribute every year?");
        double payment = in.nextDouble();
        
        System.out.print("Interest rate in %:");
        double interestRate = in.nextDouble();
        
        double balance = 0;
        int year = 0;
        
        String input;
        
        //update account balance while goal isn't reached
        do
        {
            // add this year's payment and interest
            balance += payment;
            double interest = balance * interestRate / 100;
            balance +=interest;
            
            year++;
        
            //print current balance
            System.out.printf("After year %d, your balance is %.2f%n", year , balance);
            
            //ask if ready to retire and get inpuut 
            System.out.print("Ready to retire? (Y/N)");
            input = in.next();
        }
        while (input.equals("N"));
    }
}