Random Hands of 5 Cards

/* Write a program to generate n random hands of 5 different cards
 * form a standard suit of 52 cards. */

import java.util.HashSet;
import java.util.Random;
import java.util.Scanner;

public class _06_RandomHandsOf5Cards {

    private static String[] faceCards = { "2", "3", "4", "5", "6", "7", "8",
            "9", "10", "J", "Q", "K", "A" };

    private static char[] suitCards = { '\u2663', '\u2666', '\u2665', '\u2660' };

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Scanner scan = new Scanner(System.in);
        System.out.println("Enter a positive Integer for Count of card Hands:");
        int hands = scan.nextInt();

        if (hands > 0) {
            String[] deckOfCards = generateFullDeckOf52Cards();
            HashSet<String> drawnHands = new HashSet<>();
            do {
                String nextHand = generateTheNextRandomHand(deckOfCards);
                drawnHands.add(nextHand);
            } while (drawnHands.size() < hands);

            System.out.printf("The %d Random generated Hands of 5 different cards are:%n",
                            hands);
            for (String cardsHand : drawnHands) {
                System.out.println(cardsHand);
            }

        } else {
            System.out.println("Error! - Invalid Input!!!");
        }
    }

    private static String[] generateFullDeckOf52Cards() {
        String[] deckArr = new String[52];
        int index = 0;
        int face, suit;
        for (face = 0; face < faceCards.length; face++) {
            for (suit = 0; suit < suitCards.length; suit++) {
                deckArr[index] = faceCards[face] + suitCards[suit];
                index++;
            }
        }

        return deckArr;
    }

    private static String generateTheNextRandomHand(String[] deck) {
        Random randomGen = new Random();
        boolean[] drawns = new boolean[deck.length];
        StringBuilder fullHand = new StringBuilder();
        int counter = 0;
        do {
            int randomCard = randomGen.nextInt(deck.length);
            if (!drawns[randomCard]) {
                counter++;
                drawns[randomCard] = true;
                fullHand.append(deck[randomCard]);
                if (counter < 5) {
                    fullHand.append(" ");
                }
            }
        } while (counter < 5);

        return fullHand.toString();
    }

}