Lab 6 - Card Deck Class

import java.util.Random;
public class CardDeck {
    private Card c = new Card();
    private Card [] deck;
    int count = 0;
    public int User = 0;
    public int Comp = 0;

    public CardDeck()
    {

        deck = new Card [52];
        char [] rankValue = {'A','2','3','4','5','6','7','8','9','T','J','Q','K'};
        char [] suitValue = {'D','C','H','S'};

        for(int i = 0; i<52; i++)
        {
            deck[i] = c;

        }


        for(int i = 0; i<4; i++)
        {
            for (int j = 0; j<13; j++)
            {
                deck[i*13+j] = new Card(suitValue[i],rankValue[j]);
                //deck[i*13+j].setRank(rankValue[j]);
                //deck[i*13+j].setSuit(suitValue[i]);
            }
        }
    }

    public Card Deal()
    {
        int Card;
        Card Top;
        Card = 51-count;
        count++;
        Top = deck[Card];
        return Top;

    }

    public int cardsLeft()
    {
        int cardsLeft;
        cardsLeft = 52-count;
        return cardsLeft;
    }

    public void ShowMenu()
    {
        System.out.println("--------------------------");
        System.out.println("What Would You Like To Do?");
        System.out.println("--------------------------");
        System.out.println("1) Get A New Card Deck");
        System.out.println("2) Shuffle");
        System.out.println("3) Display All Cards Remaining In The Deck");
        System.out.println("4) Play Black Jack");
        System.out.println("5) Exit");
    }
    public void displayCardAt(int s)
    {
        int next=0;
        for(int y=0; y<s/13; y++)
        {
            for(int j=0; j<=9; j++)
            {
                for(int x=0; x<13;x++)
                {
                    deck[x+(13*y)].displayCard(j);
                }
            System.out.println("");
            }
            next =y;
        }


            for(int j=0; j<=9; j++)
            {
                for(int x=0; x<s%13;x++)
                {
                    deck[x+(13*(next+1))].displayCard(j);
                }
            System.out.println("");
            }

    }
    public void shuffle()
    {
        int x,y;
        Card temp;
        Random r = new Random();
        for(int i=0; i<1000000;i++)
            {
                x = r.nextInt(52-count);
                y = r.nextInt(52-count);
                temp = deck[x];
                deck[x]= deck[y];
                deck[y] = temp;
            }
    }


}