public static void Main(string[] args)
{
Console.WriteLine("STOPWATCH APP");
Console.WriteLine("Press Enter to start and stop the Stop Watch!");
var stopWatch = new StopWatch();
while (true)
{
var userInput = Console.ReadLine();
if (string.IsNullOrWhiteSpace(userInput))
{
stopWatch.Start();
Console.ReadLine();
stopWatch.Stop();
Console.WriteLine("Duration: {0}:{1}:{2}:{3}", stopWatch.GetTime().Hours, stopWatch.GetTime().Minutes, stopWatch.GetTime().Seconds, stopWatch.GetTime().Milliseconds);
continue;
}
if (!string.IsNullOrWhiteSpace(userInput))
{
Console.WriteLine("Input must be the enter key");
continue;
}
break;
}
}
