用java撰写一个简单的洗牌程序，可在文本模式下显示洗牌结果

//牌类

public class Card {

private int face //牌的面值

private int suit  //牌的花色

public Card(int face, int suit) {

super()

this.face = face

this.suit = suit

}

public int getFace() {

return face

}

public void setFace(int face) {

this.face = face

}

public int getSuit() {

return suit

}

public void setSuit(int suit) {

this.suit = suit

}

}

//模拟洗牌和发牌

public class Test {

public static void main(String[] args) {

Card[] deck = new Card[52]

fillDeck(deck)

deal(deck)

System.out.println()

}

private static void fillDeck(Card[] deck) {

int i, j=0

for (i = 0 i < 52 i++) {

j = (int) (Math.random() * 52)

deck[i]=new Card(j%13,j/13) 

}

}

private static void deal(Card[] deck) {

int k1, k2

System.out.println()

for (k1 = 0, k2 = k1 + 26 k1 < 26 k1++, k2++) {

if (k1 % 13 == 0)

System.out.println("\n第" + (k1 / 13 + 1) + 

"组牌：\t\t\t第"+ (k1 / 13 + 3) + "组牌：")

System.out.print("\nCard:  " + deck[k1].getFace() + 

"  Suit:  "+ deck[k1].getSuit())

System.out.print("\t\t\tCard:  " + deck[k2].getFace() + 

"  Suit:  "+ deck[k2].getSuit())

}

}

}

import java.util.ArrayList

import java.util.Random

public class PokerDemo {

ArrayList<Card>poker = new ArrayList<Card>()

Player[] players

int n = 4

String[] name = {"Wang", "Zhang", "Li", "Yuan"}

public PokerDemo() {

players = new Player[n]

for(int i = 0i <players.lengthi++)

players[i] = new Player(name[i])

for(int i = 0i <4i++)

for(int j = 0j <13j++)

poker.add(new Card(i, j))

System.out.println("洗牌前: " + poker)

xipai()

System.out.println("洗牌后: " + poker)

fapai()

System.out.println("发牌后: ")

for(int i = 0i <players.lengthi++)

System.out.println(players[i])

}

public void xipai() {

Random r = new Random()

ArrayList<Card>tmp = new ArrayList<Card>()

while(!poker.isEmpty()) {

int index = r.nextInt(poker.size())

Card card = poker.get(index)

tmp.add(card)

poker.remove(index)

}

poker = new ArrayList<Card>(tmp)

}

public void fapai() {

int p = 0

while(!poker.isEmpty()) {

Card card = poker.get(0)

players[p].add(card)

p = (p + 1) % n

poker.remove(0)

}

}

public static void main(String[] args) {

new PokerDemo()

}

}

class Card {

int val, sty

final String[] value = {"A", "2", "3", "4", "5", "6", "7", "8", "9", "10", "J", "Q", "K"}

final String[] style = {"黑桃", "红心", "梅花", "方块"}

public Card(int s, int v) {

sty = s

val = v

}

public String toString() {

return style[sty]+ " " + value[val]

}

}

class Player {

ArrayList<Card>cards = new ArrayList<Card>()

String name

public Player(String n) {

name = n

}

public void add(Card card) {

cards.add(card)

}

public String toString() {

return name + ":\t" + cards

}

}

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