public class Hand {
 
	private Card[] hand;
	 
	public void addCard](Card card) {
	}
	 
	public Card pickCard() {
		return null;
	}
	 
	public Card[] findSameNumberCard() {
		return null;
	}
	 
	public int getNumberOfCards() {
		return 0;
	}
	 
	public void shuffle() {
	}
	 
}