欢马劈雪     最近更新时间:2020-01-02 10:19:05

562
提示:您可在线编辑运行本教程的实例 - 运行实例,去试试!
使用数组的压模程序
/* from 
n o w    j a v a  . c o m*/

import java.security.SecureRandom;


public class Main 

{

   public static void main(String[] args)

   {

      SecureRandom randomNumbers = new SecureRandom();

      int[] frequency = new int[7]; // array of frequency counters


      // roll die 6,000,000 times; use die value as frequency index

      for (int roll = 1; roll <= 6000000; roll++) 

         ++frequency[1 + randomNumbers.nextInt(6)];  


      System.out.printf("%s%10s%n", "Face", "Frequency");
      /*
       from 时   代     Java  公  众  号 - nowjava.com 
      */

   

      // output each array element's value

      
展开阅读全文