static void Main(string[] args)
{
Mediator mediator = new Mediator();
Teacher engin = new Teacher(mediator);
engin.Name = "Engin";
mediator.Teacher = engin;
Student derin = new Student(mediator);
derin.Name = "Derin";
Student salih = new Student(mediator);
salih.Name = "Salih";
mediator.Students = new List <Student> {
derin, salih
};
engin.SendWiewImagerUrl("slide.jpg");
engin.RecieveQuestion("is it true", salih);
Console.ReadLine();
}
