描述：本程序主要实现52张扑克牌（除去大小王）的洗牌，发牌，比较功能。首先创建两个用户，输入用户名，各分发两张扑克牌，然后从两用户中各自拿出手中最大的扑克牌比较，大的获胜。
扑克牌的比较规则：先按数值比较：2>A>K>Q>J>10>9>8>7>6>5>4>3；若数值相同：则比较花色：红桃 > 黑桃 > 方片 > 梅花。
输入：两用户名，之后洗牌、发牌、比较自动执行。
输出：洗牌、发牌、比较过程。
说明：此问题是无意中看到的，写的时候比较随意，所以代码可能有些混乱，有疑问请留言^_^
代码：
import java.util.ArrayList; import java.util.List; import java.util.Random; import java.util.Scanner; /** * 扑克牌 * * 分两个玩家，分别发两张牌，比较二者两牌中最大牌的大小，大的胜， * 2>A>K>Q>J>10>9>8>7>6>5>4>3 * * 若相同，则按花色大小比较：红桃 > 黑桃 > 方片 > 梅花 * */ public class Card { static final String[] flo = {"梅花","方片","黑桃","红桃"}; static final String[] num = {"3","4","5","6","7","8","9","10","J","Q","K","A","2"}; public int flower; // 花色 public int number; // 大小 public Card() {} public Card(int flower, int number) { super(); this.flower = flower; this.number = number; } public static void main(String[] args) throws InterruptedException { Role[] role = new Role[2]; // 按顺序存牌 List<Card> list = new ArrayList<Card>(); for (int i = 0; i < flo.length; i++) { for (int j = 0; j < num.length; j++) { list.add(new Card(i,j)); } } // 创建角色 for (int i = 0; i < 2; i++) { System.out.println("角色"+(i+1)); System.out.print("姓名："); role[i] = new Role(); role[i].setName(new Scanner(System.in).nextLine()); System.out.println("******************************"); } // 洗牌 System.out.println("------------开始洗牌------------"); washCard(list); Thread.sleep(2000); System.out.println("------------洗牌完毕------------"); System.out.println(); Thread.sleep(1000); // 发牌 System.out.println("------------开始发牌------------"); Thread.sleep(2000); for (int i = 0; i < 4; i++) { Card pos = list.remove((int)(Math.random()*list.size())); role[i/2].getCard()[i%2].flower = pos.flower; role[i/2].getCard()[i%2].number = pos.number; } System.out.println("------------发牌完毕------------"); System.out.println(); Thread.sleep(2000); // 比较 System.out.println("------------开始比较------------"); Thread.sleep(1000); for (int i = 0; i < role.length; i++) { role[i].setMaxCard(Role.compare(role[i].getCard()[0], role[i].getCard()[1])); Card c = role[i].getMaxCard(); System.out.println("玩家"+role[i].getName()+"的最大牌为："+flo[c.flower]+""+num[c.number]); Thread.sleep(3000); } Card card = Role.compare(role[0].getMaxCard(), role[1].getMaxCard()); if(role[0].getMaxCard().flower==card.flower && role[0].getMaxCard().number==card.number){ System.out.println("玩家"+role[0].getName()+"获胜"); }else {System.out.println("玩家"+role[1].getName()+"获胜");} Thread.sleep(1000); System.out.println("------------比较完毕------------"); System.out.println(); Thread.sleep(2000); // 查看结果 System.out.println("------------查看结果------------"); Thread.sleep(1000); for (int i = 0; i < role.length; i++) { System.out.print("玩家"+role[i].getName()+":"); System.out.print(flo[role[i].getCard()[0].flower]+""+num[role[i].getCard()[0].number]+","); System.out.println(flo[role[i].getCard()[1].flower]+""+num[role[i].getCard()[1].number]); Thread.sleep(1000); } System.out.println("剩余牌："); for (int i = 0; i < list.size(); i++) { Card c = list.get(i); System.out.print(flo[c.flower]+""+num[c.number]); if(i!=list.size()-1) System.out.print(","); } System.out.println(); } // 洗牌 public static void washCard(List<Card> list){ int size = list.size(); for (int i = size-1; i > 0; i--) { int random = Math.abs(new Random().nextInt(i)); Card temp1 = list.get(random), temp2 = list.get(i); list.remove(random); list.add(random, temp2); list.remove(i); list.add(i, temp1); } } } // 玩家角色类 class Role{ private String name; // 姓名 private Card[] card; // 两张牌 private Card maxCard; // 最大牌 public Role() { card = new Card[2]; for (int i = 0; i < card.length; i++) { card[i] = new Card(); } } // 比较最大张牌 public static Card compare(Card c1, Card c2){ if(c1.number == c2.number) return c1.flower > c2.flower ? c1 : c2; return c1.number > c2.number ? c1 : c2; } public Card getMaxCard(){ return this.maxCard; } public void setMaxCard(Card c){ this.maxCard = c; } public String getName() { return name; } public void setName(String name) { this.name = name; } public Card[] getCard() { return card; } public void setCard(Card[] card) { this.card = card; } }结果截图：
