public void Run() { visitorsList = new VisitorsList(); find = new Find(); docsList = new DocsList(); while (true) { Console.Clear(); Console.WriteLine("\t\tMenu"); Console.WriteLine("1. Visitors\n2. Docs\n3. Find\n0. Exit"); string answer = Console.ReadLine(); switch (answer) { case "0": visitorsList.Save(); docsList.Save(); Environment.Exit(0); break; case "1": Visitor(); break; case "2": Docs(); break; case "3": Find(); break; default: Console.WriteLine("Wrong input\nPress any key to continue"); Console.ReadKey(); break; } } }