static void Main(string[] args)
{
#region Lab_1
var customerObserver = new CustomerObserver();
ProductManager productManager = new ProductManager();
productManager.Attached(customerObserver);
productManager.Attached(new EmployeeObserver());
productManager.UpdatePrice();
Console.ReadKey();
#endregion
#region
ConcreteProduct product = new ConcreteProduct("Boxing Gloves", 12.25M);
product.FollowList.Add(new ConcreteMember {
Email = "*****@*****.**"
});
product.Price = 8.99M;
Console.ReadKey();
#endregion .
}
public void removeObserver(CustomerObserver o)
{
observers.Remove(o);
}
public void registerObserver(CustomerObserver o)
{
observers.Add(o);
}