Debugging

import java.util.List; public class Round { public static int play(Punter punter, List<Die> dice, Face pick, int bet ) { if (punter == null) { throw new IllegalArgumentException("Punter cannot be null."); } if (pick == null) { throw new IllegalArgumentException("Pick cannot be null."); } if (bet < 0) { throw new IllegalArgumentException("Bet cannot be negative."); } punter.placeBet(bet); int matches = 0; for (Die d : dice) { d.roll(); if (d.getFace().equals(pick)) { matches += 1; } } int winnings = matches * bet; if (matches > 0) { punter.returnBet(); punter.receiveWinnings(winnings); } else { punter.loseBet(); } return winnings; } }