private static string GenerateRandomFileName()

in Hands-on lab/lab-files/src/TollBooth/UploadImages/Program.cs [104:112]

• 8 lines of code
• 1 McCabe index (conditional complexity)

        private static string GenerateRandomFileName()
        {
            const int randomStringLength = 8;
            const string chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";

            var rando = new string(Enumerable.Repeat(chars, randomStringLength)
              .Select(s => s[Random.Next(s.Length)]).ToArray());
            return $"{rando}.jpg";
        }