public static void Main(string[] args) { Console.WriteLine("Hello and welcome to the Startwatch application"); Console.WriteLine("Write start to START the stopwatch"); Console.WriteLine("Write stop to STOP the stopwatch"); Console.WriteLine("Write exit to EXIT the stopwatch"); var running = true; StopWatch stopWatch = new StopWatch(); while (running) { var input = Console.ReadLine().ToLower(); switch (input) { case "start": stopWatch.StartCount(); break; case "stop": stopWatch.StopCount(); break; case "exit": Console.WriteLine("The application has ended."); running = false; break; default: Console.WriteLine("Invalid input!"); break; } } }