Black Jack

public class Blackjack {

       public static void main(String[] args) {

          int money;          // Amount of money the user has.
          int bet;            // Amount user bets on a game.
          boolean userWins;   // Did the user win the game?

          TextIO.putln("Welcome to the game of blackjack.");
          TextIO.putln();

          money = 100;  // User starts with $100.

          while (true) {
              TextIO.putln("You have " + money + " dollars.");
              do {
                 TextIO.putln("How many dollars do you want to bet?  (Enter 0 to end.)");
                 TextIO.put("? ");
                 bet = TextIO.getlnInt();
                 if (bet < 0 || bet > money)
                     TextIO.putln("Your answer must be between 0 and " + money + '.');
              } while (bet < 0 || bet > money);
              if (bet == 0)
                 break;
              userWins = playBlackjack();
              if (userWins)
                 money = money + bet;
              else
                 money = money - bet;
              TextIO.putln();
              if (money == 0) {
                 TextIO.putln("Looks like you've are out of money!");
                 break;
              }
          }

          TextIO.putln();
          TextIO.putln("You leave with $" + money + '.');

       } // end main()


       static boolean playBlackjack() {
             // Let the user play one game of Blackjack.
             // Return true if the user wins, false if the user loses.

          Deck deck;                  // A deck of cards.  A new deck for each game.
          BlackjackHand dealerHand;   // The dealer's hand.
          BlackjackHand userHand;     // The user's hand.

          deck = new Deck();
          dealerHand = new BlackjackHand();
          userHand = new BlackjackHand();

          /*  Shuffle the deck, then deal two cards to each player. */

          deck.shuffle();
          dealerHand.addCard( deck.dealCard() );
          dealerHand.addCard( deck.dealCard() );
          userHand.addCard( deck.dealCard() );
          userHand.addCard( deck.dealCard() );

          TextIO.putln();
          TextIO.putln();

          /* Check if one of the players has Blackjack (two cards totaling to 21).
             The player with Blackjack wins the game.  Dealer wins ties.
          */

          if (dealerHand.getBlackjackValue() == 21) {
               TextIO.putln("Dealer has the " + dealerHand.getCard(0)
                                       + " and the " + dealerHand.getCard(1) + ".");
               TextIO.putln("User has the " + userHand.getCard(0)
                                         + " and the " + userHand.getCard(1) + ".");
               TextIO.putln();
               TextIO.putln("Dealer has Blackjack.  Dealer wins.");
               return false;
          }

          if (userHand.getBlackjackValue() == 21) {
               TextIO.putln("Dealer has the " + dealerHand.getCard(0)
                                       + " and the " + dealerHand.getCard(1) + ".");
               TextIO.putln("User has the " + userHand.getCard(0)
                                         + " and the " + userHand.getCard(1) + ".");
               TextIO.putln();
               TextIO.putln("You have Blackjack.  You win.");
               return true;
          }

          /*  If neither player has Blackjack, play the game.  First the user
              gets a chance to draw cards (i.e., to "Hit").  The while loop ends
              when the user chooses to "Stand".  If the user goes over 21,
              the user loses immediately.
          */

          while (true) {

               /* Display user's cards, and let user decide to Hit or Stand. */