static void Main(string[] args) { Console.WriteLine("please select an implementation:"); Console.WriteLine("1) Round Robin"); Console.WriteLine("2) Write Scheduler"); int selection = 0; Console.Write("Select option an: "); if (int.TryParse(Console.ReadLine(), out selection)) { if (selection == 1) { Console.WriteLine("Starting round robin scheduler\n"); RoundRobinScheduler rr = new RoundRobinScheduler(); rr.doRoundRobin(); } else if (selection == 2) { Console.WriteLine("Starting write scheduler\n"); Schedulers.WriteScheduler ws = new Schedulers.WriteScheduler(); ws.RunWriteScheduler(); } else { Console.WriteLine("Invalid input"); } } else { Console.WriteLine("Invalid input"); } Console.ReadLine(); }