public static void main(String[] args) {
        int[] deck = new int[52];
        int[] picks = new int[4];
        // Initialize the cards
        for (int i = 0; i < deck.length; i++)
            deck[i] = i;

        // Shuffle the cards
        shuffleCards(deck);

        int count = pickCards(deck,picks);

        // Display the four cards picked
        print(picks);

        // Display the number of picks needed to get four cards from each suit
        System.out.println("\n"+"Number of picks: " + count);
    }

    /** shuffleCards randomly shuffles a deck of cards */
    public static void shuffleCards(int[] deck) {
        for (int i = 0; i < deck.length; i++) {
            // Generate an index randomly
            int index = pickCards(deck);
            int temp = deck[i];
            deck[i] = deck[index];
            deck[index] = temp;
        }
    }


    public static int pickCards(int[] deck, int[] picks) {
        int count = 0;
        int inserted = 0;
        int[] picked = {99,99,99,99};
        while(inserted<4){
            if(count==0){
                int card = pickCards(deck);
                displayCard(card);
                System.out.println("inserting");
                System.out.println();
                picks[inserted] = card;
                picked[inserted] = card;
                count++;
                inserted++;
                continue;
            }else{
                int card = pickCards(deck);
                displayCard(card);
                if(!isPicked(card,picked)){
                    picked[inserted]=card;
                    picks[inserted]=card;
                    System.out.println("inserting:");
                    System.out.println();
                    inserted++;
                    count++;
                }else{
                    count++;
                }
            }

        }
        return count;
    }

    public static void displayCard(int card){
        String[] suits = {"Spades", "Hearts", "Diamonds", "Clubs"};
        String[] ranks = {"Ace", "2", "3", "4", "5", "6", "7", "8", "9",
                "10", "Jack", "Queen", "King"};

        System.out.println(ranks[card % 13] + " of " + suits[card / 13]);

    }

    public static boolean isPicked(int card, int[] picked){

        for(int i:picked){
            if(card/13==i/13)
                return true;
        }
        return false;
    }

    public static int pickCards(int[] deck) {
        return (int)(Math.random() * deck.length);
    }

    /** print displays the four cards picked */
    public static void print(int[] picks) {
        String[] suits = {"Spades", "Hearts", "Diamonds", "Clubs"};
        String[] ranks = {"Ace", "2", "3", "4", "5", "6", "7", "8", "9",
                "10", "Jack", "Queen", "King"};

        for (int i = 0; i < picks.length; i++) {
            System.out.println(ranks[picks[i] % 13] + " of " + suits[picks[i] / 13]);
        }
    }