C:\collections>java Deal 4 5 [7 of clubs, 5 of spades, 10 of clubs, king of hearts, 3 of diamonds] [king of clubs, 4 of hearts, 10 of hearts, 5 of clubs, 7 of hearts] [3 of spades, 2 of diamonds, jack of clubs, 4 of spades, 2 of clubs] [10 of spades, 7 of spades, 5 of hearts, king of diamonds, 5 of diamonds]
Deal.java
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<String> deck = new ArrayList<String>(); 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 <E> List<E> dealHand(List<E> deck, int n) { int deckSize = deck.size(); List<E> handView = deck.subList(deckSize - n, deckSize); List<E> hand = new ArrayList<E>(handView); handView.clear(); return hand; } }
Maintained by John Loomis, updated Tue Oct 15 20:44:48 2013