JAVA collection集合之扑克牌游戏实例

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 + "]";  }  }

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;  }}

 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;  }  }

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(2), new Poker(3),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);  }}