/*
* public => excesses from every where
* private => excesses within the class
* protected => excesses within and to the derived class
* interal => exceeable from the same assembly /// very rare it is used
* protected internal => accessiable form the same assembly or an derived class
*
*/
static void Main(string[] args)
{
//public
var customer = new GoldCustomer();
customer.OfferVoucher();
}
static void Main(string[] args)
{
var customer = new Customer();
var goldCustomer = new GoldCustomer();
goldCustomer.GiveOffer();
var custome1 = new CustomerCL();
}
public void PrintId()
{
Customer cus = new Customer();
Console.WriteLine($" Id = {cus.Id}");
//Console.WriteLine($" Name = {cus.Name}"); // Name is private
//Console.WriteLine($" Name = {cus.Title}"); // Name is private
GoldCustomer gc = new GoldCustomer();
base.Title = "yesss";
Console.WriteLine($" Title = {gc.Title}"); // Derived class is ok to access protected
base.Age = 1; // internal can only access within an assembly scope (dll/exe)
}