public String toString()
   {
      if(isRoyalFlush())
         return "a Royal Flush";
      
      else if(isStraightFlush())
         return "a Straight Flush";
       
      else if(isFour())
         return "four of a kind";
      
      else if(isFullHouse())
         return "a Full House";
      
      else if(isFlush())
         return "a Flush";
      
      else if(isStraight())
         return "a Straight";
      
      else if(isThree())
         return "three of a kind";
      
      else if(numPairs() == 2)
         return "two pairs";
      
      else if(numPairs() == 1)
         return "a pair";
      
      else
         return "High Card";
         
   }