类图
演示效果：
源代码
package com.zzl.test.poker;
public class Card implements Comparable {
private int pointsScore; //手牌的点数
private int colourScore; //花色的点数
private String points; //牌的名称
private String color; //牌的花色
public Card(int pointsScore, int colourScore, String points, String color) {
this.pointsScore = pointsScore;
this.colourScore = colourScore;
this.points = points;
this.color = color;
}
//重写Comparable类中compareTo()方法
@Override
public int compareTo(Card c) {
//如果点数一样，则比较花色
if (this.pointsScore == c.pointsScore) {
//这样定是降序排序，反着写就是升序排序
return c.colourScore - this.colourScore;
}
//比较花色，降序排序，也就是说容器中最大的下标为0
return c.pointsScore - this.pointsScore;
}
@Override
public String toString() {
return this.color + this.points;
}
}
package com.zzl.test.poker;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
public class Poker {
private List cards = new ArrayList<>();
public Poker() {
createPoker();
randomPoker();
}
private void createPoker() {
System.out.println("-------------创建扑克牌...--------------");
String[] names = {"2", "3", "4", "5", "6", "7", "8", "9", "10", "J", "Q", "K", "A"}; //定义一个字符串数组
String[] colors = {"方片", "梅花", "红桃", "黑桃"};
for (int i = 0; i < names.length; i++) {
for (int j = 0; j < colors.length; j++) {
cards.add(new Card(i, j, names[i], colors[j]));
}
}
System.out.println("-------------扑克牌创建完毕！--------------");
System.out.println(cards); //输出
}
public void randomPoker() {
System.out.println("-------------开始洗牌--------------");
Collections.shuffle(cards); //调用Collections类中shuffle()方法就好了
System.out.println("-------------洗牌结束！--------------");
}
public Card get(int index) {
return this.cards.get(index);
}
public int size() {
return this.cards.size();
}
}
package com.zzl.test.poker;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
public class Player implements Comparable {
private int id; //玩家ID
private String name; //玩家姓名
private Card maxCard; // 玩家手中最大的牌
private List cards = new ArrayList<>(); //存放玩家手中的牌的容器
public Player(int id, String name) {
this.id = id;
this.name = name;
}
public int getId() {
return id;
}
public String getName() {
return name;
}
public List getCards() {
return cards;
}
//获取玩家手中最大的牌的方法
public Card getMaxCard() {
if (this.maxCard == null) {
//先排序，由于重写了Poker类中compareTo()方法,下标为0的为最大值
Collections.sort(cards);
this.maxCard = cards.get(0);
}
return this.maxCard;
}
@Override
public int compareTo(Player o) {
// 按照玩家最大的牌进行排序，获取玩家排在最前面
return this.getMaxCard().compareTo(o.getMaxCard());
}
public void add(Card card) {
System.out.println("--玩家[" + this.getName() + "]拿牌：" + card);
this.cards.add(card);
}
public void showMaxCard() {
System.out.println("玩家[" + this.getName() + "]最大的手牌为：" + this.getMaxCard());
}
public void showCards() {
System.out.println(this.getName() + "：" + this.getCards());
}
}
package com.zzl.test.poker;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Scanner;
import java.util.function.Function;
public class PokerGame {
private List players = new ArrayList<>(); //用来存放玩家
private Poker poker = new Poker(); // 整副扑克牌
private Scanner scanner = new Scanner(System.in); // 接收用户在控制台输入的信息
public void startGame() {
creatPlayer(); //创建玩家
dealPoker(); // 发牌
comparePoker(); //统计
}
public void creatPlayer() {
System.out.println("-------------创建玩家...--------------");
int playerNum = getInput("请输入玩家数量：", playerCount -> {
if (playerCount < 2) {
System.out.println("玩家数量最少有2位！请重新输入！");
return false;
}
if (playerCount > poker.size()) {
System.out.println("输入的玩家数量不能大于扑克牌的数量(" + poker.size() + ")！请重新输入!");
return false;
}
return true;
});
for (int i = 1; i <= playerNum; i++) { //这所以写个循环，是为了方便修改玩家的人数，只需改一下循环的判断条件就好了
System.out.print("请输入第" + i + "位玩家的姓名：");
players.add(new Player(i, scanner.next()));
}
// 输出各位玩家信息
for (Player player : players) {
System.out.println("----欢迎玩家：" + player.getName());
}
}
public void dealPoker() {
System.out.println("-------------开始发牌...--------------");
int cardNum = getInput("请设置给每个玩家发多少张牌：", cardCount -> {
if (cardCount <= 0) {
System.out.println("发牌数不能必须大于0，请重新输入！");
return false;
}
if (cardCount * players.size() > poker.size()) {
System.out.println("非法的发牌数，总发牌数量不能超过扑克牌的数量(" + poker.size() + ")！请重新输入！");
return false;
}
return true;
});
int limit = players.size() * cardNum;
for (int i = 0; i < limit; i++) {
players.get(i % players.size()).add(poker.get(i));
}
System.out.println("-------------发牌结束...--------------");
}
public void comparePoker() {
System.out.println("-------------开始统计...--------------");
players.forEach(Player::showMaxCard);
Player winner = getWinner();
System.out.println("-------------玩家[" + winner.getName() + "]获胜！--------------");
System.out.println("玩家各自的手牌为：");
players.forEach(Player::showCards);
}
private Player getWinner() {
// 对所有玩家进行排序，排序规则参考Player.compareTo()方法
Collections.sort(players);
// 得到获胜玩家
return players.get(0);
}
private int getInput(String hint, Function function) {
while (true) {
System.out.print(hint);
try {
int input = scanner.nextInt();
if (!function.apply(input)) {
continue;
}
return input;
} catch (Exception e) {
System.out.println("输入不合法！请重新输入！");
// 如果出现异常，则跳过本次输入的信息
scanner = scanner.skip(".*");
}
}
}
}
public class Test {
public static void main(String[] args) {
new PokerGame().startGame();
}
}
