JAVA實現隨機洗牌方法
阿新 • • 發佈：2019-01-09
- import java.util.Random;
- class Card
- {
- public String num;
- public String suit;
- Card(String n,String s)
- {
- this.num=n;
- this.suit=s;
- }
- public String toString()
- {
- String ss=suit+":"+num+" ";
- return ss;
- }
- }
- class DeskOfCard
- {
- Card card[];
- public void initcard()//初始化
- {
- String num[]={"A","2","3","4","5","6","7","8","9","10","J","Q","K"};
- String suit[]={"方塊","梅花","紅桃","黑桃"};
- card = new Card[52];
- for(int i=0;i<52;i++)
- {
- card[i] = new Card(num[i%13],suit[i/13]);
- }
- }
- public void shufflecard()//洗牌
- {
- Random rd = new Random();
- for(int i=0;i<52;i++)
- {
- int j = rd.nextInt(52);//生成隨機數
- Card temp = card[i];//交換
- card[i]=card[j];
- card[j]=temp;
- }
- }
- public void dealcard()//發牌
- {
- for(int i=0;i<52;i++)
- {
- if(i%4==0) System.out.println("\n");
- System.out.print(card[i]);
- }
- }
- }
- public class TestCard
- {
- public static void main(String[] args)
- {
- DeskOfCard cc = new DeskOfCard();
- cc.initcard();
- cc.shufflecard();
- cc.dealcard();
- }
- }