/* * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * - Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * - Neither the name of Oracle or the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ import java.util.*; public class Deal { public static void main(String[] args) { if (args.length < 2) { System.out.println("Usage: Deal hands cards"); return; } int numHands = Integer.parseInt(args[0]); int cardsPerHand = Integer.parseInt(args[1]); // Make a normal 52-card deck. String[] suit = new String[] { "spades", "hearts", "diamonds", "clubs" }; String[] rank = new String[] { "ace","2","3","4","5","6","7","8", "9","10","jack","queen","king" }; List deck = new ArrayList(); for (int i = 0; i < suit.length; i++) for (int j = 0; j < rank.length; j++) deck.add(rank[j] + " of " + suit[i]); // Shuffle the deck. Collections.shuffle(deck); if (numHands * cardsPerHand > deck.size()) { System.out.println("Not enough cards."); return; } for (int i=0; i < numHands; i++) System.out.println(dealHand(deck, cardsPerHand)); } public static List dealHand(List deck, int n) { int deckSize = deck.size(); List handView = deck.subList(deckSize - n, deckSize); List hand = new ArrayList(handView); handView.clear(); return hand; } }