static void Main(string[] args)
{
IPerson personDan = new Person("Dan", "Haim", 300881224);
IPerson personBarak = new Person("Israel", "Israeli", 123456789);
IPerson personZ = new Person("Gandalf", "wizard", 666);
IPerson personA = new Person("Frudo", "baggins", 600);
IPersonComparable NameCompare = new CompareFirstName(); //CompareId();
PersonCollection PersonCollection = new PersonCollection(NameCompare);
PersonCollection.SubscribeToPersonCollection(new SubscriberClass().SubscriberMethod);
PersonCollection.Add(personDan);
PersonCollection.Add(personBarak);
PersonCollection.Add(personZ);
PersonCollection.Add(personA);
printCollection(PersonCollection);
PersonCollection.RemoveMax();
printCollection(PersonCollection);
PersonCollection.RemoveMax();
printCollection(PersonCollection);
}