import java.util.Scanner; public class ConvertTester { public static void main(String[] args) { Scanner in = new Scanner(System.in); System.out.println("How many euros to a dollar?"); double rate = in.nextDouble(); Convert Dan = new Convert(rate); boolean done = false; while(!done) { System.out.println("Enter US$ amount (or Q to stop):"); String dollars = in.next(); if(dollars.equals("Q")) { done = true; } else { double amount = Double.parseDouble(dollars); System.out.println("euros = " + Dan.convert(amount)); } } } }