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- package aly;
- import java.util.Scanner;
- public class interest {
- public static void main(String[] args) {
- // Constants
- double rate = 0;
- double balance = 0;
- int q = 0;
- String m = "months";
- String y = "years";
- int nmonths = 0;
- // ask question
- System.out.println("Welcome to the interest calcaluter");
- System.out.println("Enter in a ammount of money, an intrest rate, and a ammount of Years // or months (specify weather years or months and use a space between each number given), press Q to quit >> ");
- Scanner in = new Scanner(System.in);
- balance = in.nextInt();
- rate = in.nextInt();
- int nperiods = in.nextInt();
- String s = in.next();
- double startBalance = balance;
- double cumulativeInterest = 0;
- double tempRate = rate;
- // converter
- if (s.equalsIgnoreCase(y)) {
- nmonths = nperiods * 12;
- tempRate = rate/12;
- }
- for (int months = 1; months <= nmonths; months++) {
- double interest = balance * tempRate / 100;
- cumulativeInterest += interest;
- balance = balance + interest;
- }
- System.out.println("at a " + rate + " over " + nperiods
- + " " + s + "(s) the interest is " + cumulativeInterest);
- System.out.println("The starting balance was " + startBalance);
- System.out.println("The ending balance was " + balance);
- System.out.println("Thank you for using the interest calculator ");
- }
- }
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