public void bubbleSort() {
    int n = hand.size();
    for (int pass=1; pass < n; pass++) {

        for (int i=0; i < n-pass; i++) {
            if (hand.get(i).compareTo(hand.get(i+1))>0) {

                Card temp = hand.get(i);
        hand.add(i,hand.get(i+1));
        hand.remove(i+1);
        hand.add(i+1,temp);
            }
        }
    }
    System.out.println(hand);
}

}