Generating unique string in C#
One of the solution in C# that generates unique string. class UniqueString { private static readonly Random random = new Random(); private static readonly object syncLock = new object(); // Map to store 62 possible characters private static readonly char[] charMap = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789".ToCharArray(); /// <summary> /// Generates unique string /// </summary> /// <param name="strLen">Length of the string.</param> /// <returns>Unique string of specified length.</returns> public static string GenerateUniqueString(int strLen) { if (strLen <= 0) { return null; } StringBuilder sb = new StringBuilder(); for (int i = 0; i < strLen; i++) { lock (syncLock) // synchronize { _ = sb.Append(charMap[random.Next(62)]); } } return sb.ToString(); } public static void Main() { // generate 10 character string Console...