public static void exampleofuse() { Singleton Teacher = Singleton.Instance; Singleton Student = Singleton.Instance; Singleton RockMusic = Singleton.Instance; Singleton YoutubeLectures = Singleton.Instance; Teacher.printDetails("Hi im a Teacher"); Student.printDetails("Hi im a Student"); RockMusic.PlayFileInMediaPlayer("RamSthein.mp3"); YoutubeLectures.PlayFileInMediaPlayer("SingleToneLeacture.mp3"); }