//改進版，沒有進行按牌的地位從小到大排序
package com.yy.test;import java.util.ArrayList;
import java.util.Collections;public class Test2 {/***  * A：案例演示* 模擬斗地主洗牌核發牌，牌沒有排序* * 分析：* 1，買一副撲克，其實就是自己創建一個集合對象，將撲克牌存儲進去* 2，洗牌     shuffle方法* 3，發牌* 4，看牌* */public static void main(String[] args) {//1，買一副撲克，其實就是自己創建一個集合對象，將撲克牌存儲進去String [] num = {"A","2","3","4","5","6","7","8","9","10","J","Q","K"};String [] color = {"紅桃","黑桃","方片","梅花"};ArrayList<String> poker = new ArrayList<>();//拼接花色和數字for (String s1 : color) {for (String s2 : num) {poker.add(s1.concat(s2));       //s1.concate(s2) :連接s1和s2兩個字符串}}
//      System.out.println(poker);              //打印52張牌
//      System.out.println(poker.size());       //查看一共有多少張牌poker.add("小王");                        //添加小王poker.add("大王");                        //添加大王//2，洗牌Collections.shuffle(poker);
//      System.out.println(poker);//3,發牌ArrayList<String> 高進 = new ArrayList<>();ArrayList<String> 龍五 = new ArrayList<>();ArrayList<String> 諺語 = new ArrayList<>();ArrayList<String> 底牌 = new ArrayList<>();for(int i = 0 ;i<poker.size();i++){if(i >= poker.size() - 3){底牌.add(poker.get(i));               //將三張底牌存儲在底牌集合中}else if(i % 3 == 0){高進.add(poker.get(i));}else if(i % 3 == 1){龍五.add(poker.get(i));}else {諺語.add(poker.get(i));}}//4，看牌System.out.println(高進);System.out.println(龍五);System.out.println(諺語);System.out.println(底牌);}}

//完整版，進行按牌的地位從小打到大進行排序
package com.yy.test;import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.TreeSet;public class Test3 {/***  * A：案例演示* 模擬斗地主洗牌核發牌，牌沒有排序* * 分析：* 1，買一副撲克，其實就是自己創建一個集合對象，將撲克牌存儲進去* 2，洗牌     shuffle方法* 3，發牌* 4，看牌* */public static void main(String[] args) {//1，買一副撲克，其實就是自己創建一個集合對象，將撲克牌存儲進去String [] num = {"3","4","5","6","7","8","9","10","J","Q","K","A","2"};String [] color = {"紅桃","黑桃","方片","梅花"};HashMap<Integer, String> hm = new  HashMap<>();         //存儲索引和撲克牌ArrayList<Integer> list = new ArrayList<>();            //存儲索引int index = 0;                                          //定義一個索引值   //拼接撲克牌并將索引和撲克牌存儲在HashMap中for(String s1 : num){                                   //獲取數字for(String s2 : color){                             //獲取顏色hm.put(index, s2.concat(s1));list.add(index);                                //將索引0到51添加到list集合中index++;}}
//      System.out.println(index);//將小王添加到雙列集合中hm.put(index, "小王");list.add(index);                                        //將52索引添加到集合中index++;hm.put(index, "大王");                                    //將53索引添加到集合中list.add(index);            
//      System.out.println(hm);
//      System.out.println(list);//2,洗牌Collections.shuffle(list);
//      System.out.println(list);//3,發牌TreeSet<Integer> 高進 = new TreeSet<>();TreeSet<Integer> 龍五 = new TreeSet<>();TreeSet<Integer> 諺語 = new TreeSet<>();TreeSet<Integer> 底牌 = new TreeSet<>();for(int i = 0; i <list.size();i++){if(i >= list.size() - 3){底牌.add(list.get(i));            //將三張底牌存儲在底牌集合中}else if(i % 3 == 0){高進.add(list.get(i));}else if(i % 3 == 1){龍五.add(list.get(i));}else {諺語.add(list.get(i));}}//4，看牌      重復動作抽取方法lookPoker(hm,高進,"高進");lookPoker(hm,龍五,"龍五");lookPoker(hm,諺語,"諺語");lookPoker(hm,底牌,"底牌");
}/*** 看牌* 1，返回值類型void* 2，參數列表HashMap，TreeSet，String name* */public static void lookPoker(HashMap<Integer,String> hm , TreeSet<Integer> ts , String name){System.out.print(name + "的牌是：");for (Integer i : ts) {                  //i代表雙列集合中的每一個鍵System.out.print(hm.get(i) + " ");}System.out.println();}
}