public String getCardSuit(Card card)
    {
        String suit = null;
        
        if ("DIAMOND".equals(card.getSuit().toString()))
        {
            suit = "d";
        }
        else if ("CLUB".equals(card.getSuit().toString()))
        {
            suit = "c";
        }
        else if ("HEART".equals(card.getSuit().toString()))
        {
            suit = "h";
        }
        else if ("SPADE".equals(card.getSuit().toString()))
        {
            suit = "s";
        }
        return suit;
    }