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java扑克牌魔术 Java实战练习之扑克牌魔术

牛牛ō^ō 人气:0
想了解Java实战练习之扑克牌魔术的相关内容吗,牛牛ō^ō在本文为您仔细讲解java扑克牌魔术的相关知识和一些Code实例,欢迎阅读和指正,我们先划重点:java扑克牌魔术,java魔术,java扑克牌代码,下面大家一起来学习吧。

前言

用到了Scanner,for循环,if-else语句,集合,线程的Thread.sleep()方法

话不多说,直接上代码

代码

import java.util.ArrayList;
import java.util.Collections;
import java.util.Scanner;

public class CardMagic {
    public static void main(String[] args) {

        //1.准备54张牌
        //新建一个集合存储54张牌并打乱顺序
        ArrayList<String> pokers = new ArrayList<>();
        //直接定义两个数组并赋值,一个存四种花色,一个存13张牌的值(3,4,5,6,7,8,9,10,J,Q,K,A,2)
        String[] kind = {"♥","♠","♦","♣"};
        String[] number = {"3","4","5","6","7","8","9","10","J","Q","K","A","2"};
        //先存大王小王到pokers集合中
        pokers.add("大王");
        pokers.add("小王");
        //组装两个集合的数据,生成带花色的52张牌(可以用普通for循环,也可以用增强for循环foreach)
        for (int i = 0; i < kind.length; i+  +) {
            for (int j = 0; j < 13; j++) {
                pokers.add(kind[i]+number[j]);
            }

        }
        System.out.println("这里有54张牌:"+pokers);//顺序打印
        //洗牌--打乱pokers集合里的元素顺序
        Collections.shuffle(pokers);//打乱顺序
        //再新建一个集合,用来存储随机拿出的21张牌(伪随机:其实是拿出前21张牌,但是pokers集合是随机打乱顺序的,所以每次运行程序,拿出的前21张牌也就不一样且乱序了)
        ArrayList<String> list21 = new ArrayList<>();
        for (int i = 0; i < 21; i++) {
            list21.add(pokers.get(i));
        }


        //打印出这21张牌
        System.out.println("随机取出21张扑克牌并打乱顺序:");
        System.out.println(list21);
        System.out.println("请选择任意一张扑克牌,并记住它。【输入小写字母'y'继续,输入其他任意字符结束游戏!】");
        Scanner scanner1 = new Scanner(System.in);

        if (scanner1.nextLine().equals("y")){
            System.out.println("系统将这21张扑克牌均分为3叠,请等待...");
            try {
                Thread.sleep(3000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }else {
            System.exit(-1);
        }

        //定义3个集合,每个集合存储7张牌
        ArrayList<String> card1 = new ArrayList<>();
        ArrayList<String> card2 = new ArrayList<>();
        ArrayList<String> card3 = new ArrayList<>();

        for (int i = 0; i < 7; i++) {
            card1.add(list21.get(i));
        }
        for (int i = 7; i < 14; i++) {
            card2.add(list21.get(i));
        }
        for (int i = 14; i < 21; i++) {
            card3.add(list21.get(i));
        }

        System.out.println("第1叠:"+card1);
        System.out.println("第2叠:"+card2);
        System.out.println("第3叠:"+card3);



        //判断输入
        try {
            Thread.sleep(1000);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        Scanner scanner2 = new Scanner(System.in);
        System.out.println("请告诉我你记住的牌在第几叠~如果在第1叠请输入数字1;如果在第2叠请输入数字2;如果在第3叠请输入数字3");
        System.out.println("请输入:");
        //新建3个数组,分3次重新存重新按指定规则排序的21张牌
        ArrayList<String> list21New1 = new ArrayList<>();
        int a = scanner2.nextInt();

        if (a==1){
            for (int i = 0; i < 7; i++) {
                list21New1.add(card2.get(i));

            }
            for (int i = 0; i < 7; i++) {
                list21New1.add(card1.get(i));
            }
            for (int i = 0; i < 7; i++) {
                list21New1.add(card3.get(i));
            }
        }else if (a==2){
            for (int i = 0; i < 7; i++) {
                list21New1.add(card1.get(i));
            }
            for (int i = 0; i < 7; i++) {
                list21New1.add(card2.get(i));
            }
            for (int i = 0; i < 7; i++) {
                list21New1.add(card3.get(i));
            }
        }else {
            for (int i = 0; i < 7; i++) {
                list21New1.add(card1.get(i));
            }
            for (int i = 0; i < 7; i++) {
                list21New1.add(card3.get(i));
            }
            for (int i = 0; i < 7; i++) {
                list21New1.add(card2.get(i));
            }
        }

        card1.clear();
        card2.clear();
        card3.clear();
        for (int i = 0; i < 21; i++) {
            card1.add(list21New1.get(i));
            i++;
            card2.add(list21New1.get(i));
            i++;
            card3.add(list21New1.get(i));
        }
        System.out.println("第1叠:"+card1);
        System.out.println("第2叠:"+card2);
        System.out.println("第3叠:"+card3);

        //判断输入
        try {
            Thread.sleep(1000);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        Scanner scanner3 = new Scanner(System.in);
        System.out.println("请告诉我你记住的牌在第几叠~如果在第1叠请输入数字1;如果在第2叠请输入数字2;如果在第3叠请输入数字3");
        System.out.println("请输入:");
        int b = scanner3.nextInt();
        //新建3个数组,分3次重新存重新按指定规则排序的21张牌
        ArrayList<String> list21New2 = new ArrayList<>();
        if (b==1){
            for (int i = 0; i < 7; i++) {
                list21New2.add(card2.get(i));

            }
            for (int i = 0; i < 7; i++) {
                list21New2.add(card1.get(i));
            }
            for (int i = 0; i < 7; i++) {
                list21New2.add(card3.get(i));
            }
        }else if (b==2){
            for (int i = 0; i < 7; i++) {
                list21New2.add(card1.get(i));
            }
            for (int i = 0; i < 7; i++) {
                list21New2.add(card2.get(i));
            }
            for (int i = 0; i < 7; i++) {
                list21New2.add(card3.get(i));
            }
        }else {
            for (int i = 0; i < 7; i++) {
                list21New2.add(card1.get(i));
            }
            for (int i = 0; i < 7; i++) {
                list21New2.add(card3.get(i));
            }
            for (int i = 0; i < 7; i++) {
                list21New2.add(card2.get(i));
            }
        }

        card1.clear();
        card2.clear();
        card3.clear();
        for (int i = 0; i < 21; i++) {
            card1.add(list21New2.get(i));
            i++;
            card2.add(list21New2.get(i));
            i++;
            card3.add(list21New2.get(i));
        }
        System.out.println("第1叠:"+card1);
        System.out.println("第2叠:"+card2);
        System.out.println("第3叠:"+card3);

        //判断输入
        try {
            Thread.sleep(1000);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        Scanner scanner4 = new Scanner(System.in);
        System.out.println("请告诉我你记住的牌在第几叠~如果在第1叠请输入数字1;如果在第2叠请输入数字2;如果在第3叠请输入数字3");
        System.out.println("请输入:");

        //新建3个数组,分3次重新存重新按指定规则排序的21张牌
        ArrayList<String> list21New3 = new ArrayList<>();
        int c = scanner2.nextInt();
        if (c==1){
            for (int i = 0; i < 7; i++) {
                list21New3.add(card2.get(i));

            }
            for (int i = 0; i < 7; i++) {
                list21New3.add(card1.get(i));
            }
            for (int i = 0; i < 7; i++) {
                list21New3.add(card3.get(i));
            }
        }else if (c==2){
            for (int i = 0; i < 7; i++) {
                list21New3.add(card1.get(i));
            }
            for (int i = 0; i < 7; i++) {
                list21New3.add(card2.get(i));
            }
            for (int i = 0; i < 7; i++) {
                list21New3.add(card3.get(i));
            }
        }else {
            for (int i = 0; i < 7; i++) {
                list21New3.add(card1.get(i));
            }
            for (int i = 0; i < 7; i++) {
                list21New3.add(card3.get(i));
            }
            for (int i = 0; i < 7; i++) {
                list21New3.add(card2.get(i));
            }
        }

        System.out.println("好了,稍等片刻!让我猜猜你记住的是什么牌......");
        try {
            Thread.sleep(1000);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        System.out.println("真相永远只有一个,你选的牌是"+list21New3.get(10)+"!");
        System.out.println("什么?你说我是运气好?不!这是“魔法”!");
    }
}

运行结果

其中一次运行结果:开始我记住的就是梅花K!

魔术表演步骤

值得一提的是,将21张扑克牌分成3组的具体操作,应该是:

将21张扑克牌拿在手上,按顺序,从左到右依次发牌,每发3次算一轮,一共发七轮,发完就会产生3叠牌,每叠7张!

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