card.java

来自「Java2核心技术卷一 配套源码,看了还不错」· Java 代码 · 共 54 行

/**
 * @version 1.20 27 Mar 1998 
 * @author Cay Horstmann
 */

public class Card
{  public static final int ACE = 1;
   public static final int JACK = 11;
   public static final int QUEEN = 12;
   public static final int KING  = 13;
   public static final int CLUBS = 1;
   public static final int DIAMONDS = 2;
   public static final int HEARTS = 3;
   public static final int SPADES = 4;

   public Card(int v, int s)
   {  value = v;
      suit = s;
   }

   public int getValue() 
   {  return value;
   }
   
   public int getSuit()
   {  return suit;
   }
   
   public int rank()
   {  if (value == 1) 
         return 4 * 13 + suit; 
      else 
         return 4 * (value - 1) + suit;
   }
   
   public String toString()
   {  String v;
      String s;
      if (value == ACE) v = "Ace";
      else if (value == JACK) v = "Jack";
      else if (value == QUEEN) v = "Queen";
      else if (value == KING) v = "King";
      else v = String.valueOf(value);
      if (suit == DIAMONDS) s = "Diamonds";
      else if (suit == HEARTS) s = "Hearts";
      else if (suit == SPADES) s = "Spades";
      else /* suit == CLUBS */ s = "Clubs";   
      return v + " of " + s;
   }
   
   private int value;
   private int suit;
}