namespace Demo.UI { public class MainMenuUI { UserConsoleUI _userConsoleUI; public MainMenuUI(UserUseCase userUseCase) { _userConsoleUI = new UserConsoleUI(userUseCase); DisplayMenu(); } private void DisplayMenu() { while (true) { switch (Console.ReadLine()) { case "1": _userConsoleUI.DisplayAllUsers(); break; case "2": _userConsoleUI.RemoveUserByGuid(Guid.Parse(Console.ReadLine())); break; default: DisplayMenu(); break; } } } } }