MoneyConverter

import java.util.Scanner;

public class MoneyConverter {

    public static void main(String []args) {

        final int TENS = 10;
        final int FIVES = 5;

        final int QUARTERS = 25;
        final int DIMES = 10;
        final int NICKELS = 5;

        Scanner scan = new Scanner(System.in);

        System.out.print("Enter a monetary value: ");
        double amount = scan.nextDouble();

        int numTenBills = (int) Math.floor(amount / TENS);
        int numFiveBills = (int) ((amount - (TENS * numTenBills)) / FIVES);
        int numOneBills = (int) ((amount - ((numTenBills*TENS) + (numFiveBills*FIVES))));

        double totalCentsCounts = Math.round((amount % 1) * 100);
        int numQuarters = (int) totalCentsCounts / QUARTERS;
        int numDimes = (int) (totalCentsCounts - (QUARTERS * numQuarters)) / DIMES;
        int numNickels =
                (int) (totalCentsCounts - ((numQuarters*QUARTERS) + (numDimes*DIMES))) / NICKELS;
        int numPennies =
                ((int) totalCentsCounts - ((QUARTERS * numQuarters) + (numDimes*DIMES) + (numNickels*NICKELS)));

        System.out.printf("\n%,d ten dollar %s", numTenBills, (numTenBills > 1 ? "bills" : "bill"));
        System.out.printf("\n%,d five dollar %s", numFiveBills, (numFiveBills > 1 ? "bills" :
                "bill"));
        System.out.printf("\n%,d one dollar %s", numOneBills, (numOneBills > 1 ? "bills" : "bill"));

        System.out.printf("\n%,d %s", numQuarters, (numQuarters > 1 ? "quarters" : "quarter"));
        System.out.printf("\n%,d %s", numDimes, (numDimes > 1 ? "dimes" : "dime"));
        System.out.printf("\n%,d %s", numNickels, (numNickels > 1 ? "nickels" : "nickel"));
        System.out.printf("\n%,d %s", numPennies, (numPennies > 1 ? "pennies" : "penny"));

    }
}