Retirement.java
import java.util.*;
/**
* This program demonstrates a
while loop.
* @version 1.20 2004-02-10
* @author Cay Horstmann
*/
public class Retirement
{
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 years = 0;
// update account balance while goal isn't reached
while (balance < goal)
{
// add this year's payment and interest
balance += payment;
double interest = balance * interestRate / 100;
balance += interest;
years++;
}
System.out.println("You can retire in " + years + " years.");
}
}
C:\ece595_06\day04\Retirement>javac Retirement.java C:\ece595_06\day04\Retirement>java Retirement How much money do you need to retire? 500000 How much money will you contribute every year? 5000 Interest rate in %: 4 You can retire in 41 years.
Maintained by John Loomis, updated Mon Sep 02 11:41:04 2013