斗地主综合案例：有序版
1.准备牌：大王小王
52张牌：循环嵌套遍历两个集合，组装52张牌
可以使用Map集合储存牌的索引+组装好的牌。创建一个List集合存储牌的索引
2.洗牌：使用Collections中的方法shuffle(List)
3.发牌：一人一张轮流发牌，每人17张，集合索引%3，剩余3张给底牌.(注意：要先判断底牌 i > 50，即在第51张牌开始给底牌发)
4.排序：使用Collections中的方法sort(List)
5.看牌：可以用查表的方法
遍历一个集合，获取到另外一个集合的key，通过key查找到value
遍历玩家和底牌的List集合，获取到Map集合的key，通过key找到value值
***【注意】***：使用了JDK9及以上版本才可以使用的List.of()。
List colors = List.of("♠","♥","♣","♦");
List numbers = List.of("2","A","K","Q","J","10","9","8","7","6","5","4","3");
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如果是JDK9以下的版本，可以建立两个数组：
String[] colors = {"♠","♥","♣","♦"};
String[] numbers = {"2","A","K","Q","J","10","9","8","7","6","5","4","3")};
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程序
package Demo06;
import java.util.*;
/*
斗地主有序版本
1.准备牌
2.洗牌
3.发牌
4.排序
5.看牌
*/
public class DouDiZhu2 {
public static void main(String[] args) {
//1.准备牌
//创建集合poker，存储54张牌的索引和组装好的牌
HashMap poker = new HashMap<>();
//创建一个list集合，存储牌的索引
ArrayList pokerIndex = new ArrayList<>();
//定义两个集合，分别存储花色和数字
List colors = List.of("♠","♥","♣","♦");
List numbers = List.of("2","A","K","Q","J","10","9","8","7","6","5","4","3");
//存储大小王
//定义一个牌的索引
int index = 0;
poker.put(index,"大王");
pokerIndex.add(index);
index++;
poker.put(index,"小王");
pokerIndex.add(index);
index++;
//循环嵌套遍历两个集合，组装52张牌，存储到集合中
for (String number : numbers) {
for (String color : colors) {
poker.put(index,color+number);
pokerIndex.add(index);
index++;
}
}
//2.洗牌
Collections.shuffle(pokerIndex);
// 3.发牌
//定义四个集合分别存储玩家和底牌的牌索引
ArrayList player01 = new ArrayList<>();
ArrayList player02 = new ArrayList<>();
ArrayList player03 = new ArrayList<>();
ArrayList dipai = new ArrayList<>();
for (int i = 0; i < pokerIndex.size(); i++) {
int in = pokerIndex.get(i);
if(i > 50) {
dipai.add(in);
}else if(i % 3 == 0) {
player01.add(in);
}else if(i % 3 == 1) {
player02.add(in);
}else if(i % 3 == 2) {
player03.add(in);
}
}
Collections.sort(player01);
Collections.sort(player02);
Collections.sort(player03);
Collections.sort(dipai);
//5.看牌
pokerShow("刘亦菲",poker,player01);
pokerShow("单薇子",poker,player02);
pokerShow("周星驰",poker,player03);
pokerShow("底牌",poker,dipai);
}
/*
定义一个方法，看牌，使用查表方法
*/
public static void pokerShow(String name,HashMap poker,ArrayList list) {
//输出玩家的名称
System.out.print(name+ ":");
for (Integer key : list) {
String value = poker.get(key);
System.out.print(value+ " ");
}
System.out.println();
}
}
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