java实现发牌洗牌功能
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package com_5;
import java.util.Arrays;
import java.util.Random;
public class PokerGame {
//1.创建数组,用以存储扑克牌
static String[] pokers = new String[54];
public static void main(String[] args) {
//2.创建牌 所有的牌赋值到array数组中
pokers = newPoker();
//3.洗牌 这里的实参pokers是经过创建牌之后新生成的pokers
String[] pokers2 = upsetPoker(pokers);
//4.发牌
sendPoker(pokers2);
}
//创建牌的方法
public static String[] newPoker() {
//1.定义花色数组 4
String[] colors = {"红桃","黑桃","梅花","方片"};
//2.定义牌面数组 13
String[] numbers = {"A","2","3","4","5","6","7","8","9","10","J","Q","K"};
//3.定义王 2
String[] kings = {"大王","小王"};
//4.使用循环将牌存储到pokers数组
int index = 0;
for(int i = 0 ; i < numbers.length ; i ++) {
for(int j = 0 ; j < colors.length ; j ++) {
pokers[index ++] = colors[j] + numbers[i];
}
}
//5.大小王拷贝入pokers数组
System.arraycopy(kings, 0, pokers, index, 2);
//6.输出牌
System.out.println("现有一副扑克牌" + Arrays.toString(pokers) + "\n");
return pokers;
}
//洗牌的方法
public static String[] upsetPoker(String[] array) {
//1.定义新的数组,用以存储洗好的牌
String[] newpokers = new String[pokers.length];
//2.定义数组,用以标识被随机取出的牌
boolean[] mark = new boolean[pokers.length];
//3.洗牌
for(int i = 0 ; i < pokers.length ; i ++) {
//a.创建随机数
Random rd = new Random();
//b.获取随机数的下标
int index = rd.nextInt(pokers.length);
//c.判断标识
if(mark[index] == false) {
//d.将未洗过的牌存储入newpokers
newpokers[i] = pokers[index];
//e.修改标识,被洗过的牌标记为true
}else {
i --; //该次取随机数取到的是洗过的牌,则重新再取一次
}
}
//newpokers内的牌拷贝到数组pokers
pokers = Arrays.copyOf(newpokers, newpokers.length);
System.out.println("洗过的牌:" + Arrays.toString(newpokers)+"\n");
return newpokers;
}
//发牌的方法
public static void sendPoker(String[] array) {
//1.定义玩家及底牌数组
String[] one = new String[0];
String[] two = new String[0];
String[] three = new String[0];
String[] underpoker = new String[3];
//2.循环进行发牌
for(int i = 0 ; i < pokers.length-3 ; i++) {
if(i % 3 == 0) {
one = Arrays.copyOf(one, one.length+1);
one[one.length-1] = pokers[i];
}else if(i % 3 == 1) {
two = Arrays.copyOf(two, two.length+1);
two[two.length-1] = pokers[i];
}else if(i % 3 == 2) {
three = Arrays.copyOf(three, three.length+1);
three[three.length-1] = pokers[i];
}
}
System.arraycopy(pokers, pokers.length-3, underpoker, 0, 3);
System.out.println("玩家1:" + Arrays.toString(one));
System.out.println("玩家2:" + Arrays.toString(two));
System.out.println("玩家3:" + Arrays.toString(three));
System.out.println("底牌:" + Arrays.toString(underpoker));
}
}
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