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");
}