public void placeCard_hand_p1(Card card) {
card.isInHand(true);
p1_hand_.add(card);
}
public void placeCard_hand(int playerIndex, Card card) throws HSInvalidPlayerIndexException {
card.isInHand(true);
if (playerIndex == 0) p0_hand_.add(card);
else if (playerIndex == 1) p1_hand_.add(card);
else throw new HSInvalidPlayerIndexException();
}