使用LinkedList存储一副扑克牌，然后实现洗牌功能。

最新推荐文章于 2021-05-18 00:01:12 发布

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最新推荐文章于 2021-05-18 00:01:12 发布

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原文链接：http://www.cnblogs.com/chenzxl/p/7894702.html

本文介绍了一种使用Java编程语言中的LinkedList来存储并实现扑克牌洗牌功能的方法。通过创建扑克牌类，初始化一副标准扑克牌，并利用随机数进行洗牌，最后展示洗牌后的结果。

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/*
需求： 使用LinkedList存储一副扑克牌，然后实现洗牌功能。



*/
//扑克类
class Poker{
    String  color; //花色
    String num;    //点数
    public Poker(String color, String num) {
        super();
        this.color = color;
        this.num = num;
    }
    @Override
    public String toString() {
        return "{"+color+num+"}";
    }
}
public class Demo2 {
    public static void main(String[] args) {
        LinkedList pokers = createPoker();
        shufflePoker(pokers);
        showPoker(pokers);
    }
    
    //洗牌的功能
    public static void shufflePoker(LinkedList pokers){
        //创建随机数对象
        Random random = new Random();
        for(int i = 0 ; i <100; i++){ 
            //随机产生两个索引值
            int index1 = random.nextInt(pokers.size());
            int index2 = random.nextInt(pokers.size());
            //根据索引值取出两张牌，然后交换两张牌的顺序
            Poker poker1 =  (Poker) pokers.get(index1);
            Poker poker2 =  (Poker) pokers.get(index2);
            pokers.set(index1, poker2);
            pokers.set(index2, poker1);
        }
        
    }
    //显示扑克牌
    public static void showPoker(LinkedList pokers){
        for(int i = 0 ; i<pokers.size() ; i++){
            System.out.print(pokers.get(i));
            //换行
            if(i%10==9){
                System.out.println();
            }
        }
    
    }
    //生成扑克牌的方法
    public static LinkedList createPoker(){
        //该集合用于存储扑克对象。
        LinkedList list = new LinkedList();        
        //定义数组存储所有的花色与点数
        String[] colors = {"黑桃","红桃","梅花","方块"};
        String[] nums = {"A","2","3","4","5","6","7","8","9","10","J","Q","K"};
        for(int i = 0 ; i < nums.length ; i++){
            for(int j = 0 ; j<colors.length ; j++){
                list.add(new Poker(colors[j], nums[i]));
            }
        }
        return list;
    }
}

/*需求：使用LinkedList存储一副扑克牌，然后实现洗牌功能。

*///扑克类class Poker{String color; //花色String num;//点数public Poker(String color, String num) {super();this.color = color;this.num = num;}@Overridepublic String toString() {return "{"+color+num+"}";}}public class Demo2 {public static void main(String[] args) {LinkedList pokers = createPoker();shufflePoker(pokers);showPoker(pokers);}//洗牌的功能public static void shufflePoker(LinkedList pokers){//创建随机数对象Random random = new Random();for(int i = 0 ; i <100; i++){ //随机产生两个索引值int index1 = random.nextInt(pokers.size());int index2 = random.nextInt(pokers.size());//根据索引值取出两张牌，然后交换两张牌的顺序Poker poker1 = (Poker) pokers.get(index1);Poker poker2 = (Poker) pokers.get(index2);pokers.set(index1, poker2);pokers.set(index2, poker1);}}//显示扑克牌public static void showPoker(LinkedList pokers){for(int i = 0 ; i<pokers.size() ; i++){System.out.print(pokers.get(i));//换行if(i%10==9){System.out.println();}}}//生成扑克牌的方法public static LinkedList createPoker(){//该集合用于存储扑克对象。LinkedList list = new LinkedList();//定义数组存储所有的花色与点数String[] colors = {"黑桃","红桃","梅花","方块"};String[] nums = {"A","2","3","4","5","6","7","8","9","10","J","Q","K"};for(int i = 0 ; i < nums.length ; i++){for(int j = 0 ; j<colors.length ; j++){list.add(new Poker(colors[j], nums[i]));}}return list;}}

转载于:https://www.cnblogs.com/chenzxl/p/7894702.html