static void PolymorphismExample2() { SciFi sciFi1 = new SciFi("Dark Tower", "Stephan King", 500, 9.8); sciFi1.DisplayBook(); Drama drama1 = new Drama("Enimga Otiliei", "George Calinescu", 230, 8.5); drama1.Display(); drama1.DisplayBook(); Console.ReadKey(); }