@Override public int hashCode() { final int prime = 31; int result = 1; result = prime * result + ((rank == null) ? 0 : rank.hashCode()); result = prime * result + ((suit == null) ? 0 : suit.hashCode()); return result; }
@Override public int hashCode() { int result = suit.hashCode(); result = 31 * result + rank.hashCode(); return result; }