Java tutorial
/* * Copyright 2013 pradeepg26. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.pradeep.blackjack.hand; import com.pradeep.blackjack.card.Cards; import com.pradeep.blackjack.card.ICard; import com.google.common.collect.Lists; import java.util.Iterator; import java.util.LinkedList; /** * * @author pradeepg26 */ public class Hand implements Iterable<ICard> { private final LinkedList<ICard> cards; private boolean aceSeen = false; private int hardTotal; private int softTotal; public Hand() { cards = Lists.newLinkedList(); } public void addCard(ICard card) { cards.add(card); hardTotal += card.hardValue(); if (Cards.isAce(card) && !aceSeen) { // First ace seen this hand aceSeen = true; softTotal += card.softValue(); } else { // Either not an Ace or Ace already seen // Add hard value to hand soft total softTotal += card.hardValue(); } } public int value() { if (aceSeen && softTotal <= 21) { return softTotal; } else { return hardTotal; } } public int size() { return cards.size(); } public Iterator<ICard> iterator() { return cards.iterator(); } }