public class CoinsDemo{

public static void main(String[] args){

if(args.length == 1){

int numPennies = Integer.parseInt(args[0]);

System.out.println(numPennies + " pennies is equivalent to : ");

int numQuarters = Coin.QUARTER.toDenomination(numPennies);

System.out.println(numQuarters + " " + Coin.QUARTER.toString() + (numQuarters != 1 ? "s,": ","));

numPennies -= numQuarters * Coin.QUARTER.denomValue();

int numDimes = Coin.DIME.toDenomination(numPennies);

System.out.println(numDimes + " " + Coin.DIME.toString() + (numDimes != 1 ? "s,": ","));

numPennies -= numDimes * Coin.DIME.denomValue();

int numNickels = Coin.NICKEL.toDenomination(numPennies);

System.out.println(numNickels + " " + Coin.NICKEL.toString() + (numNickels != 1 ? "s,": ","));

numPennies -= numNickels * Coin.NICKEL.denomValue();

System.out.println(numPennies + " " + Coin.PENNY.toString() + (numPennies != 1 ? "s.": "."));

}

System.out.println();

System.out.println("Denomination values : ");

for (int i = 0; i < Coin.values().length; i++){

System.out.println(Coin.values()[i].denomValue());

}

}

}