c# 产生随机数 程序所在路径

 1 using System;
 2 using System.Collections.Generic;
 3 using System.Linq;
 4 using System.Text;
 5 using System.Threading.Tasks;
 6 
 7 namespace ConsoleApplication1suijishu
 8 {
 9     class Program
10     {
11         static void Main(string[] args)
12         {
13             Random rand = new Random();
14             int irand = 0;
15             double drand = 0;
16             for (int i = 0; i < 100; i++)
17             {
18                 irand = rand.Next(10,10);//随机0-10之间整数
19                 Console.Write(irand+" ");
20                 if (i%10==0 && i>9)
21                 {
22 
23                     Console.WriteLine();
24                 }
25                 
26             }
27             Console.WriteLine("---------------------------");
28             for (int i = 0; i < 100; i++)
29             {
30                 drand = rand.NextDouble();//随机0-1之间double数
31                 Console.Write(drand+"   ");
32                 if (i % 10 == 0 && i > 9)
33                 {
34 
35                     Console.WriteLine();
36                 }
37             }
38             Console.WriteLine("---------------------------");
39             for (int i = 0; i < 100; i++)
40             {
41                 drand = rand.NextDouble();
42                 Console.Write(Math.Round( drand,4)+"    ");//保留4位小数点后数字
43                 if (i % 10 == 0 && i > 9)
44                 {
45 
46                     Console.WriteLine();
47                 }
48             }
49             Console.WriteLine("---------------------------");
50 
51             rand = new Random(System.DateTime.Now.Millisecond);
52             for (int i = 0; i < 100; i++)
53             {
54                 drand = rand.NextDouble();
55                 Console.Write(Math.Round(drand, 4) + "    ");//保留4位小数点后数字
56                 if (i % 10 == 0 && i > 9)
57                 {
58 
59                     Console.WriteLine();
60                 }
61             }
62 
63             Console.ReadKey();
64         }
65     }
66 }
产生随机数

程序所在路径:https://zhidao.baidu.com/question/133861592.html

原文地址:https://www.cnblogs.com/zhubinglong/p/8336032.html