public class blackJack {
 
  public blackJack() {}
 
  public int pickCard() {
   
    // stuff in here
   
  }
 
  public void cardInfo() {
   
    // info about cards goes on here with JOptionPane
   
    // check if pickCard is an ace
    // if it is then it asks user to pick 1 or 11
    // should change the card variable to 1 or 11
   
  }
 
  public static void main (String[] args) {
   
    // more stuff   
   
  }
 
}

// Note: in Java, class names begin with a capital letter
public class BlackJack {
   public class Card {
      public static final int HEART = 1;
      public static final int DIAMOND = 2;
      public static final int SPADE = 3;
      public static final int CLUB = 4;

      public static final int ACE = 1;
      public static final int JACK = 10;
      public static final int QUEEN = 11;
      public static final int KING = 12;
       
      private int suit;
      private int value;

      public Card(int suit, int card) {
         this.suit = suit;
         this.value = value;
      }

      public int getSuit() {
         return suit;
      }

      public int getValue() {
         return value;
      }
   }

   public class Hand {
      private Card[] cards;

      public Hand() {
         cards = new Card[5];
      }
   }

   public class Game {
      private Hand dealer;
      private Hand player;

      public Game() {
         dealer = new Hand();
         player = new Hand();
      }
   
      public Hand getDealer() {
         return dealer;
      }

      public Hand getPlayer() {
         return player;
      }
   }
}