public override void SendMessage(Colleague from, string message)
{
if (from is ConcreteColleague1)
{
collegue2.Receive(message);
}
if (from is ConcreteColleague2)
{
collegue1.Receive(message);
}
}
public abstract void SendMessage(Colleague from, string message);
public abstract void SendMessage(Colleague from, string message);