网吧充值系统namespace ConsoleApplication1 { class Program { struct huiyuan { public string name; public string password; public double yue; } static void Main(string[] aaa) { ArrayList Ul = new ArrayList(); while (true) { try { Console.WriteLine("请输入您要执行的操
import java.util.UUID; /** * 通过UUID随机生成36位.32位唯一识别码(唯一字符串) * @author [J.H] * */ public class Test { public static void main(String[] args) { int i = 0; while (i<10) { String a = UUID.randomUUID().toString(); System.out.println(a); System.out.println(
面试题:C#声明一个100大小的数组 随机生成1-100之间不重复的数下面是C#的实现方式,编译测试通过 public static void InsertRandomArray() { int[] intArray = new int[100]; ArrayList newArray = new ArrayList(); Random rnd = new Random(); while (newArray.Count < 100) { int tempNumber = rnd.Next(1,
Golang: func RandomString(n int) string { var letters = []byte("ABCDEFGHIGKLMNOPQRSTUVWXYZabcdefghigklmnopqrstuvwxyz0123456789") result := make([]byte, n) //设置随机数种⼦,加上这⾏代码,可以保证每次随机都是随机 rand.Seed(time.Now().Unix()) for i := range result { //如果不加上
var n = 5 var timer; function suiji(){ var arr = [] // 循环生成n个随机数 for(var i=0;i<n;i++){ var num = Math.random()*31 + 1 num = Math.ceil(num) arr.push(num) } // 数组去重 arr = Array.from(new Set(arr)) if(arr.length >= n) { console.log(arr) clearInterval(ti