public String toString()
   {
      String rankStr = null;
      
      if(rank == 11)
      {
         rankStr = "jack";
         String str = rankStr+suit;
         return str;
      }
      else if(rank == 12)
      {
         rankStr = "queen";
         String str = rankStr+suit;
         return str;
      }
      else if(rank == 13)
      {
         rankStr = "king";
         String str = rankStr+suit;
         return str;
      }
      else if(rank == 14)
      {
        rankStr = "ace";
        String str = rankStr+suit;
        return str;
      }
      else
      {
        String str = rank + "" + suit;
        return str;
      }  
     
   }