字牌游戏

class DeckOfCards{
	public static void main(String[] args){
		int[] deck = new int[52];
		String[] suits = {"Spades","Hearts","Diamonds","Clubs"};
		String[] ranks = {"Ace","2","3","4","5","6","7","8","9","10","Jack","Queen","King"};
		//	initialize cards
		for(int i=0;i<deck.length;i++){
			deck[i] = i;
		}
		//shuffle the cards
		for(int i=0; i<deck.length;i++){
			//Generate an index randomly
			int index = (int)(Math.random()*deck.length);
			int temp = deck[i];
			deck[i] = deck[index];
			deck[index] = temp;
		}
		//Display the first four cards
		for(int i=0;i<4;i++){
			String suit = suits[deck[i] / 13];
			String rank = ranks[deck[i] % 13];
			System.out.println("Card number " + deck[i] + ": " + rank + " of " + suit);
		}
	}
}