public static void Process(int selected) { switch (selected) { case 1: { Console.WriteLine("Insert news ...."); Id = Id + 1; CreateNews(); break; } case 2: { Console.WriteLine("View list news ...."); news.Display(); break; } case 3: { Console.WriteLine("Average rate ...."); news.Calculate(); news.Display(); break; } case 4: default: { Environment.Exit(Environment.ExitCode); break; } } InitMenu(); }