Debugging

public class Punter { private static final int DEFAULT_LIMIT = 0; private static final int DEFAULT_BALANCE = 100; enum State { NOT_BETTING, BETTING, RECEIVING_WINNINGS }; State state; private String name; private int balance; private int limit; private int currentBet; public Punter(String name, int balance, int limit) { if (name == null || name .isEmpty()) { throw new IllegalArgumentException("Name cannot be null or empty"); } if (balance < 0) { throw new IllegalArgumentException("Balance cannot be negative"); } if (limit < 0 || limit > balance) { throw new IllegalArgumentException("Limit cannot be negative or greater than initial balance"); } this.name = name; this.balance = balance; this.limit = limit; this.state = State.NOT_BETTING; this.currentBet = 0; } public Punter(String name, int balance) { this(name, balance, DEFAULT_LIMIT); } public Punter(String name) { this(name, DEFAULT_BALANCE, DEFAULT_LIMIT); } public String getName() { return name; } public int getBalance() { return balance; } public int getLimit() { return limit; } public void setLimit(int limit) { if (limit < 0) { throw new IllegalArgumentException("Limit cannot be negative."); } if (limit > balance) { throw new IllegalArgumentException("Limit cannot be greater than balance."); } if (state.equals(State.BETTING)) { throw new RuntimeException("Cannot set limit while betting"); } this.limit = limit; } public boolean balanceExceedsLimitBy(int amount) { return (balance - amount > limit); } public void placeBet(int bet) { if (bet < 0) { throw new IllegalArgumentException("Bet cannot be negative."); } if (!balanceExceedsLimitBy(bet)) { throw new IllegalArgumentException("Placing bet would go below limit."); } if (state.equals(State.NOT_BETTING)) { balance = balance - bet; currentBet = bet; state = State.BETTING; } } public void returnBet() { if (state.equals(State.BETTING)) { balance = balance + currentBet; currentBet = 0; state = State.NOT_BETTING; } } public void receiveWinnings(int winnings) { if (state.equals(State.RECEIVING_WINNINGS)) { if (winnings < 0) { throw new IllegalArgumentException("Winnings cannot be negative."); } balance = balance + winnings; state = State.NOT_BETTING; } } public void loseBet() { if (state.equals(State.BETTING)) { balance = balance - currentBet; currentBet = 0; state = State.NOT_BETTING; } } public String toString() { return String.format("Player: %s, Balance: %d, Limit: %d", name, balance, limit); } }