public Notification(ConcreteSubject subject) { Subject = subject; Subject.RegisterObserver(this); }
public Store(ConcreteSubject subject) { Subject = subject; Subject.RegisterObserver(this); }
public Notification(ConcreteSubject subject) { Subject = subject; Subject.RegisterObserver(this); }
public Store(ConcreteSubject subject) { Subject = subject; Subject.RegisterObserver(this); }