static void Main(string[] args)
{
//A celebrity
Celebrity tomCruise = new Celebrity();
//some fans
HappyFan fan1 = new HappyFan();
HappyFan fan2 = new HappyFan();
SadFan fan3 = new SadFan();
SadFan fan4 = new SadFan();
//fans registering against an event in celebrity life so that they can be notified when that event occurs
fan1.Register(tomCruise);
fan2.Register(tomCruise);
fan3.Register(tomCruise);
fan4.Register(tomCruise);
//triggering the event
tomCruise.Suicide();
}
public void Register(Celebrity c)
{
c.fansToNotify += Weep;
}
public void Register(Celebrity c)
{
c.fansToNotify += Laugh;
}