public void RunInterface() { catering.InitializeCateringItems(); bool done = false; Console.WriteLine("Welcome to Cater-Mart!"); while (!done) { Console.WriteLine("\nMAIN MENU " + "\n (1) Display Catering Items" + "\n (2) Order" + "\n (3) Quit"); int input = int.Parse(Console.ReadLine()); switch (input) { case 1: DisplayInventory(); break; case 2: OrderMenu(); break; case 3: done = true; break; default: break; } } }