一、斗地主
7 public class Demo01 { 8 /* 9 * 斗地主： 10 * 1.组合牌 11 * 2.洗牌 12 * 3.发牌 13 * 4.看牌 14 */ 15 public static void main(String[] args) { 16 //1.组合牌 17 //创建Map集合，键是编号，值是牌 18 HashMap<Integer,String> pooker = new HashMap<Integer,String>(); 19 //创建List集合存储编号 20 ArrayList<Integer> pookerNumber = new ArrayList<Integer>(); 21 //定义13个点数 22 String[] numbers = {"2","A","K","Q","J","10","9","8","7","6","5","4","3"}; 23 String[] colors = {"♠","♥","♣","♦"}; 24 //定义整数变量，作为键出现 25 int index = 2; 26 27 //遍历数组，花色+点数的组合，存储到Map集合 28 for(String number:numbers){ 29 for(String color:colors){ 30 pooker.put(index, color+number); 31 pookerNumber.add(index); 32 index++; 33 } 34 } 35 //存储大小王 36 pooker.put(0, "大王"); 37 pookerNumber.add(0); 38 pooker.put(1, "小王"); 39 pookerNumber.add(1); 40 41 //洗牌，将牌的编号打乱 42 Collections.shuffle(pookerNumber); 43 44 //发牌,将牌的编号，发给玩家集合，底牌集合 45 ArrayList<Integer> player1 = new ArrayList<Integer>(); 46 ArrayList<Integer> player2 = new ArrayList<Integer>(); 47 ArrayList<Integer> player3 = new ArrayList<Integer>(); 48 ArrayList<Integer> bottom = new ArrayList<Integer>(); 49 //发牌采用的是集合索引%3 50 for(int i=0;i<pookerNumber.size();i++){ 51 //先将底牌做好 52 if(i<3){ 53 bottom.add(pookerNumber.get(i)); 54 }else if(i%3==0){ 55 player1.add(pookerNumber.get(i)); 56 }else if(i%3==1){ 57 player2.add(pookerNumber.get(i)); 58 }else if(i%3==2){ 59 player3.add(pookerNumber.get(i)); 60 } 61 } 62 //排序 63 Collections.sort(player1); 64 Collections.sort(player2); 65 Collections.sort(player3); 66 //看牌，将玩家手中的编号到Map集合中查找，根据键找值 67 look("玩家一",player1,pooker); 68 look("玩家二",player2,pooker); 69 look("玩家三",player3,pooker); 70 look("底牌",bottom,pooker); 71 72 } 73 public static void look(String name,ArrayList<Integer> player,HashMap<Integer,String> pooker){ 74 System.out.print(name+":"); 75 for(Integer key:player){ 76 String value = pooker.get(key); 77 System.out.print(value+" "); 78 } 79 System.out.println(); 80 } 81 }