Galleons.java

import java.util.Scanner;

public class Galleons {

    /**
    *   Program:    Galleons.java
    *   Purpose:    Yahoo! Answers
    *   Creator:    Chris Clarke
    *   Created:    12.09.2014
    */

    static final int KNUTS = 1;
    static final int SICKLES = KNUTS * 29;
    static final int GALLEONS = SICKLES * 17;

    public static void main(String[] args) {
        int galleons, sickles, knuts;
        int amountOfSale, amountReceived, change;
        Scanner in = new Scanner(System.in);

        System.out.println("Enter amount of sale,");
        System.out.println("in galleons, sickles, and knuts");
        System.out.print("Enter galleons: ");
        galleons = in.nextInt();
        System.out.print("Enter sickles: ");
        sickles = in.nextInt();
        System.out.print("Enter knuts: ");
        knuts = in.nextInt();
        amountOfSale = getKnuts(galleons, sickles, knuts);

        System.out.println("Enter amount of galleons, sickles, and "
        +"knuts received.");
        System.out.print("Enter galleons: ");
        galleons = in.nextInt();
        System.out.print("Enter sickles: ");
        sickles = in.nextInt();
        System.out.print("Enter knuts: ");
        knuts = in.nextInt();
        amountReceived = getKnuts(galleons, sickles, knuts);

        change = amountReceived - amountOfSale; // in knuts

        galleons = change/GALLEONS;
        change %= GALLEONS; // remainder
        sickles = change/SICKLES;
        change %= SICKLES;
        knuts = change;

        System.out.println("Amount of change due: "+galleons
            +" galleons, "+sickles+" sickles, "+knuts+" knuts.");
    } // end main()

    public static int getKnuts(int galleons, int sickles, int knuts) {
        int totalKnuts = knuts + (sickles * SICKLES)
        + (galleons * GALLEONS);
        return totalKnuts;
    } // end getKnuts()
} // end class Galleons