JAVA collection集合之扑克牌游戏实例
| Collection 层次结构中的根接口。Collection表示一组对象,这些对象也称为collection的元素。一些 collection 允许有重复的元素,而另一些则不允许。一些 collection 是有序的,而另一些则是无序的。JDK 不提供此接口的任何直接 实现:它提供更具体的子接口(如 Set 和 List)实现。此接口通常用来传递 collection,并在需要最大普遍性的地方操作这些 collection。 主要内容:这里使用collection集合,模拟香港电影中大佬们玩的扑克牌游戏。 1、游戏规则:两个玩家每人手中发两张牌,进行比较。比较每个玩家手中牌最大的点数,大小由A-2,点数大者获胜。如果点数相同,则比较花色,大小由黑(4)、红(3)、梅(2)、方(1),花色大者获胜。 2、实现步骤: 创建一副扑克牌A-2,四种花色黑(4)、红(3)、梅(2)、方(1)共52张牌; 3、程序实现 牌Card类:包含牌的数字和花色 
package collectiontest.games;
public class Card {
  private Integer id; //牌的大小
  private Integer type;//牌的花色
  
  public Card(Integer id,Integer type) {
    this.id = id;
    this.type = type;
  }
  public Integer getId() {
    return id;
  }
  public void setId(Integer id) {
    this.id = id;
  }
  public Integer getType() {
    return type;
  }
  public void setType(Integer type) {
    this.type = type;
  }
  @Override
  public String toString() {
    return "Card [id=" + id + ",type=" + type + "]";
  }  
}
扑克牌Poker类:包含扑克牌Card A-2 
package collectiontest.games;
public class Poker {
  private Card id2 ;
  private Card id3 ;
  private Card id4 ;
  private Card id5 ;
  private Card id6 ;
  private Card id7 ;
  private Card id8 ;
  private Card id9 ;
  private Card id10 ;
  private Card J ;
  private Card Q ;
  private Card K ;
  private Card A ;
  
  public Poker() {
  }    
  //四个类型:黑--4、红--3、梅--2、方--1
  public Poker(Integer type) {
    this.id2 = new Card(2,type);
    this.id3 = new Card(3,type);
    this.id4 = new Card(4,type);
    this.id5 = new Card(5,type);
    this.id6 = new Card(6,type);
    this.id7 = new Card(7,type);
    this.id8 = new Card(8,type);
    this.id9 = new Card(9,type);
    this.id10 = new Card(10,type);
    this.J = new Card(11,type);
    this.Q = new Card(12,type);
    this.K = new Card(13,type);
    this.A = new Card(14,type);
  }
  public Card getId2() {
    return id2;
  }
  public void setId2(Card id2) {
    this.id2 = id2;
  }
  public Card getId3() {
    return id3;
  }
  public void setId3(Card id3) {
    this.id3 = id3;
  }
  public Card getId4() {
    return id4;
  }
  public void setId4(Card id4) {
    this.id4 = id4;
  }
  public Card getId5() {
    return id5;
  }
  public void setId5(Card id5) {
    this.id5 = id5;
  }
  public Card getId6() {
    return id6;
  }
  public void setId6(Card id6) {
    this.id6 = id6;
  }
  public Card getId7() {
    return id7;
  }
  public void setId7(Card id7) {
    this.id7 = id7;
  }
  public Card getId8() {
    return id8;
  }
  public void setId8(Card id8) {
    this.id8 = id8;
  }
  public Card getId9() {
    return id9;
  }
  public void setId9(Card id9) {
    this.id9 = id9;
  }
  public Card getId10() {
    return id10;
  }
  public void setId10(Card id10) {
    this.id10 = id10;
  }
  public Card getJ() {
    return J;
  }
  public void setJ(Card j) {
    J = j;
  }
  public Card getQ() {
    return Q;
  }
  public void setQ(Card q) {
    Q = q;
  }
  public Card getK() {
    return K;
  }
  public void setK(Card k) {
    K = k;
  }
  public Card getA() {
    return A;
  }
  public void setA(Card a) {
    A = a;
  }
}
 玩家Player类:包含玩家ID和姓名、所持卡片信息 
 package collectiontest.games;
import java.util.ArrayList;
import java.util.List;
public class Player {
  //玩家的ID
  private String id ;
  //玩家姓名
  private String name ;
  //玩家所持牌
  private List<Card> pokerType ;
  
  public Player() {  
  }
  public Player(String id,String name,List<Card> pokerType) {
    this.id = id;
    this.name = name;
    this.pokerType = new ArrayList<>();
  }
  public String getId() {
    return id;
  }
  public void setId(String id) {
    this.id = id;
  }
  public String getName() {
    return name;
  }
  public void setName(String name) {
    this.name = name;
  }
  public List<Card> getPokerType() {
    return pokerType;
  }
  public void setPokerType(List<Card> pokerType) {
    this.pokerType = pokerType;
  }  
}
扑克牌游戏主类:包含1)扑克牌创建 2)玩家创建 3)洗牌 4)发牌 5)比较胜负 
package collectiontest.games;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Scanner;
import java.util.Set;
public class GamsBegin {
  // 创建扑克牌
  public Set<Poker> cPoker() {
    
    System.out.println("**********开始创建扑克牌**********");
    // 创建一副poker
    // 四个类型:黑--4、红--3、梅--2、方--1
    Set<Poker> pokers = new HashSet<>();
    Poker[] poker = { new Poker(1),new Poker(2),new Poker(3),new Poker(4) };
    /*
     * Collections工具类的使用
     * Collections.addAll(pokers,new Poker(1),new Poker(4));
     *
     * */
    pokers.addAll(Arrays.asList(poker));
    System.out.println("**********扑克牌创建成功**********");
    return pokers;
  }
  // 创建两个玩家
  public Map<String,Player> cPlayer() {
    
    System.out.println("**********开始创建玩家**********");
    Map<String,Player> map = new HashMap<String,Player>();
    // 控制数量
    Integer control = 0;
    System.out.println("创建两名玩家,根据提示创建");
    Scanner console = new Scanner(System.in);
    while (true) {
      System.out.println("请输入第 "+(control+1)+" 个玩家ID:");
      String courseId = console.next();
      if (isNumeric(courseId)) {
        System.out.println("请输入第 "+(control+1)+" 个玩家姓名:");
        String courseName = console.next();
        Player players = new Player(courseId,courseName,null);
        //保存数据
        map.put(courseId,players);
        System.out.println("添加第 " + (control + 1) + " 个玩家 " + courseName
            + " 成功");
        //数量自加
        control++;
      } else {
        System.out.println("*****请输入数字ID*****");
        continue;
      }
      if (control == 2) {
        break;
      }
    }
    System.out.println("**********玩家创建成功**********");
    return map;
  }
  // 判断输入是否为数字,Character.isDigit()为java方法
  public boolean isNumeric(String str) {
    for (int i = 0; i < str.length(); i++) {
      if (!Character.isDigit(str.charAt(i))) {
        return false;
      }
    }
    return true;
  }
  /**
   * 洗牌 :也可以产生52个不同随机数,实现洗牌
   *
   **/
  public List<Card> wPoker(Set<Poker> pokers) {
    System.out.println("**********开始洗牌**********");
    //利用List的有序排序,洗牌之后保存顺序不变
    List<Card> listCard = new ArrayList<>();
    // 利用Set集合的无序排序,实现洗牌
    Set<Card> listSet = new HashSet<>();
    //保存到Set集合,无序
    for (Poker pk : pokers) {
      listSet.add(pk.getId2());
      listSet.add(pk.getId3());
      listSet.add(pk.getId4());
      listSet.add(pk.getId5());
      listSet.add(pk.getId6());
      listSet.add(pk.getId7());
      listSet.add(pk.getId8());
      listSet.add(pk.getId9());
      listSet.add(pk.getId10());
      listSet.add(pk.getJ());
      listSet.add(pk.getQ());
      listSet.add(pk.getK());
      listSet.add(pk.getA());
    }
    //保存在List集合,有序
    for (Card cd : listSet) {
      listCard.add(cd);
      System.out.println(cd);
    }
    
    System.out.println("**********洗牌成功**********");
    return listCard;
  }
  // 发牌
  public Map<String,Player> pushPoker(List<Card> listCard,Map<String,Player> pMap) {
    System.out.println("**********发牌开始**********");
    
    // 控制每人发两张牌后结束
    int control = 0;
    for (Map.Entry<String,Player> entry : pMap.entrySet()) {
      if (control == 0) {
        for (int i = 0; i < 3; i = i + 2) {
          // 发牌
          entry.getValue().getPokerType().add(listCard.get(i));
        }
        // 更新map对象
        pMap.put(entry.getKey(),entry.getValue());
        control++;
      } else if (control == 1) {
        for (int i = 1; i < 4; i = i + 2) {
          // 发牌
          entry.getValue().getPokerType().add(listCard.get(i));
        }
        // 更新map对象
        pMap.put(entry.getKey(),entry.getValue());
        control++;
      } else {
        break;
      }
    }
    System.out.println("**********发牌成功**********");
    return pMap;
  }
  public void compareMatch(Map<String,Player> newMap) {
  
    /*比较胜负
     * 1.首先取得每个玩家手中最大牌的ID和花色ID。
     * 2.比较俩玩家手中最大牌的ID大小,牌大者获胜。
     * 3.如果两张牌的ID相等,在比较两张牌的花色ID,花色ID更大着获胜。
     * 
     * */ 
    
    List<Player> players = new ArrayList<>();
    // 获得两个玩家
    for (Map.Entry<String,Player> entry : newMap.entrySet()) {
      players.add(entry.getValue());
    }
    // 玩家一信息和所持牌
    List<Card> playerOne = players.get(0).getPokerType();
    //获得最大牌的ID和花色
    Integer oneMaxId = Math.max(playerOne.get(0).getId(),playerOne.get(1)
        .getId());
    Integer oneMaxType = (oneMaxId!=playerOne.get(0).getId()) ? playerOne.get(1).getType() : playerOne.get(0).getType() ;
    // 玩家二信息和所持牌
    List<Card> playerTwo = players.get(1).getPokerType();
    //获得最大牌的ID和花色
    Integer twoMaxId = Math.max(playerTwo.get(0).getId(),playerTwo.get(1)
        .getId());
    Integer twoMaxType = (twoMaxId!=playerTwo.get(0).getId()) ? playerTwo.get(1).getType() : playerTwo.get(0).getType() ;
    if (oneMaxId > twoMaxId) {
      System.out.println("玩家 : " + players.get(0).getName() + " 获胜!!");
    } else if (oneMaxId == twoMaxId) {
      if (oneMaxType > twoMaxType) {
        System.out
            .println("玩家 : " + players.get(0).getName() + " 获胜!!");
      } else {
        System.out
            .println("玩家 : " + players.get(1).getName() + " 获胜!!");
      }
    } else {
      System.out.println("玩家 : " + players.get(1).getName() + " 获胜!!");
    }
    System.out.println("**********************************************");
    System.out.println("玩家 : " + players.get(0).getName() + "的牌是:"
        + showName(playerOne.get(0).getType(),0) + "--"
        + showName(playerOne.get(0).getId(),1) + "  "
        + showName(playerOne.get(1).getType(),0) + "--"
        + showName(playerOne.get(1).getId(),1));
    System.out.println("玩家 : " + players.get(1).getName() + "的牌是:"
        + showName(playerTwo.get(0).getType(),0) + "--"
        + showName(playerTwo.get(0).getId(),1) + "  "
        + showName(playerTwo.get(1).getType(),0) + "--"
        + showName(playerTwo.get(1).getId(),1));
  }
  // 显示牌的名称
  private String showName(Integer i,Integer type) {
    String str = "";
    // 显示花色
    if (type == 0) {
      switch (i) {
      case 1: {
        str = "方块";
        break;
      }
      case 2: {
        str = "梅花";
        break;
      }
      case 3: {
        str = "红桃";
        break;
      }
      case 4: {
        str = "黑桃";
        break;
      }
      default: {
        break;
      }
      }
    }
    // 显示数字
    if (type == 1) {
      if (i < 11) {
        return i.toString();
      } else {
        switch (i) {
        case 11: {
          str = "J";
          break;
        }
        case 12: {
          str = "Q";
          break;
        }
        case 13: {
          str = "K";
          break;
        }
        case 14: {
          str = "A";
          break;
        }
        default: {
          break;
        }
        }
      }
    }
    return str;
  }
  public static void main(String[] args) {
    GamsBegin gb = new GamsBegin();
    
    // 1、创建扑克牌
    Set<Poker> pokers = gb.cPoker();
    // 2、创建两个玩家
    Map<String,Player> pMap = gb.cPlayer();
    // 3、洗牌
    List<Card> listCard = gb.wPoker(pokers);
    // 4、发牌
    Map<String,Player> newMap = gb.pushPoker(listCard,pMap);
    // 4、比较胜负
    gb.compareMatch(newMap);
  }
}
运行结果: **********开始创建扑克牌********** 以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持编程小技巧。 (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! | 
