斗地主案例

public class Demo01 {

    public static void main(String[] args) {
    //创建装有牌的Map集合
        HashMap<Integer,String> pooker=new HashMap<Integer,String>();
        //创建装有牌号的ArrayList集合
        ArrayList<Integer> pookerNum=new ArrayList<Integer>();
        //封装花色和号码
        String color[]={"黑桃","红心","菱形","梅花"};
        String number[]={"2","A","K","Q","J","10","9","8"
                ,"7","6","5","4","3"        };
        int index=2;
        for(String num:number){
            for(String col:color){
                //封装Map集合
                pooker.put(index,col+num);
                //将key值封装到list集合中
                pookerNum.add(index);
                index++;
            }
        }
        //封装大小王
        pooker.put(0, "大王");
        pooker.put(1, "小王");
        pookerNum.add(0);
        pookerNum.add(1);
        //洗牌
        Collections.shuffle(pookerNum);
        //创建三个玩家一个底牌
        ArrayList<Integer> player1=new ArrayList<Integer>();
        ArrayList<Integer> player2=new ArrayList<Integer>();
        ArrayList<Integer> player3=new ArrayList<Integer>();
        ArrayList<Integer> bottom=new ArrayList<Integer>();
        //发牌
        for(int i=0;i<pookerNum.size();i++){
            //先将前三张牌发给底牌
            if(i<3){
                bottom.add(pookerNum.get(i));
            }else if(i%3==0){//发给玩家1
                player1.add(pookerNum.get(i));
            }else if(i%3==1){
                player2.add(pookerNum.get(i));
            }else if(i%3==2){
                player3.add(pookerNum.get(i));
            }
        }
        //排序
        Collections.sort(player1);
        Collections.sort(player2);
        Collections.sort(player3);
        Collections.sort(bottom);
        //看牌
        look("渣渣灰",pooker,player1);
        look("刘嘉玲",pooker,player2);
        look("林志炫",pooker,player3);
        look("底牌",pooker,bottom);
    }
//写一个方法遍历集合看牌
    public static void look(String name,HashMap<Integer,String> pooker
            ,ArrayList<Integer> player){
        System.out.print(name+":");
        //遍历玩家集合牌号
        for(int key:player){
            //根据每一个牌号取map集合中找对应的值
            System.out.print(pooker.get(key)+" ");
        }
        System.out.println();
    }