public class CardDeck extends java.util.Stack<Card> {
	public CardDeck() {
		for(int i = 0; i < 4; i++) {
			for (int j = 0; j < 13; j++) {
				this.push(new Card(i, j+1));
			}
		}
	}
	private void swapCards(int i, int j) {
		Card tempCard = get(i);
		set(i, get(j));
		set(j, tempCard);
	}
	public void shuffle() {
		for (int i = 0; i < this.size(); i++) {
			int j = (int) (Math.random() * 52);
			swapCards(i, j);
		}
	}
	public Card dealCard() {
		return pop();
	}
	public String toString() {
			StringBuilder sb = new StringBuilder();
		for (Card c : this) {
			sb.append(c.getSuit()).append("/").append(c.getValue()).append(", ");
		}
		return sb.toString();
	}
}