一个模拟斗地主的小程序

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1 需求：模拟斗地主的的游戏，并且要求控制台可以输出每个人的牌

2 分析：

（1）创建一副牌（54张）：用两个字符串数组分别存储牌的形状和号码，再统一存储到中ArrayList。

（2）洗牌：直接调用collections的shuffle()方法。

（3）发牌：首先定义参加游戏的用户，用户也定义为ArrayList保存接受到的牌。遍历整副牌，因为每个用户接牌顺序是固定的，所以直接用if判断并存入ArrayList中。

（4）看牌：此时可以下一个看牌的方法lookpai()，需要看谁的牌，用户直接调用即可。

3 代码实现：

方法一：如上描述分析

package com.edu_01;import java.util.ArrayList;import java.util.Collections;public class Poker {public static void main(String[] args) {ArrayList<String> list = new ArrayList<String>();String[] shape = {"♥","♠","♣","♦"};String[] number = {"3","4","5","6","7","8","9","10","J","Q","K","A","2"};for (String shp : shape) {for (String num : number) {list.add(shp+num);}}list.add("queen");list.add("king");//洗牌Collections.shuffle(list);//发牌ArrayList<String> liushishi = new ArrayList<String>();ArrayList<String> luhan = new ArrayList<String>();ArrayList<String> hejiong = new ArrayList<String>();ArrayList<String> dipai = new ArrayList<String>();for(int i=0;i<list.size();i++){if(i >= list.size()-3){dipai.add(list.get(i));}else if(i%3 == 0){liushishi.add(list.get(i));}else if(i%3 == 1){luhan.add(list.get(i));}else if(i%3 == 2){hejiong.add(list.get(i));}}//看牌lookpai("刘诗诗",liushishi);lookpai("鹿晗",luhan);lookpai("何炅",hejiong);lookpai("底牌",dipai);}private static void lookpai(String name, ArrayList<String> list) {System.out.print(name+"的牌是：");for (String poker : list) {System.out.print(poker+" ");}System.out.println();}}

方法二：与方法一的本质是相同的，只不过该方法使用了TreeMap键值对的方法，将牌号和形状按顺序存入TreeMap中，然后再将索引存入ArrayList中，取出时，按照索引值取牌。

package com.edu_01;import java.util.ArrayList;import java.util.Collections;import java.util.TreeMap;import java.util.TreeSet;public class poker02 {public static void main(String[] args) {//创建存牌的map，和索引ArrayList,创建一副牌TreeMap<Integer, String> tm = new TreeMap<Integer, String>();ArrayList<Integer> list = new ArrayList<Integer>();String[] shape = {"♥","♠","♣","♦"};String[] number = {"3","4","5","6","7","8","9","10","J","Q","K","A","2"};int index = 0;for (String num : number) {for (String shp : shape) {tm.put(index, shp+num);list.add(index);index++;}}tm.put(index, "king");list.add(index);index++;tm.put(index, "queen");list.add(index);index++;//洗牌Collections.shuffle(list);//发牌TreeSet<Integer> liushishi = new TreeSet<Integer>();TreeSet<Integer> luhan = new TreeSet<Integer>();TreeSet<Integer> lisi = new TreeSet<Integer>();TreeSet<Integer> dipai = new TreeSet<Integer>();for(int i=0;i<list.size();i++){if (i>=list.size()-3) {dipai.add(list.get(i));}else if (i%3==0) {liushishi.add(list.get(i));}else if (i%3==1) {luhan.add(list.get(i));}else if (i%3==2) {lisi.add(list.get(i));}}//System.out.println(liushishi);//System.out.println(luhan);//System.out.println(lisi);//System.out.println(dipai);lookpai("刘诗诗",liushishi,tm);lookpai("鹿晗",luhan,tm);lookpai("李四",lisi,tm);lookpai("底牌",dipai,tm);}//看牌private static void lookpai(String name, TreeSet<Integer> poker,TreeMap<Integer, String> tm) {System.out.print(name+"的牌是： ");for (Integer i : poker) {System.out.print(tm.get(i)+" ");}System.out.println();}}

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