Access Rights
In this lesson, we'll learn about access rights of inheritance.
We'll cover the following
Scope of access rights #
The access rights of the inheritance determine which functionalities of the base class can be used in the derived class.
- A class can be derived
public
,protected
, orprivate
from its base class. - For classes, the default access right is
private
; for structs, it’spublic
.
class BankAcc: Acc{...}
is the same as class BankAcc: private Acc{...}
Is-a relations #
The derived class and the base class have an is-a relationship. Public inheritance is called an is-a relationship because the derived class has the same interface as the base class. The derived class is a specialization of the base class.
public #
class BankAccount: public Account{ ...
public
and protected
members in the Account class are public
and protected
in the BankAccount class.
protected #
class BankAccount: protected Account{ ...
public
and protected
members in the Account class are protected
in the BankAccount class.
private #
class BankAccount: private Account{ ...
public
and protected
members in the Account class are private
in the BankAccount.
In the next lesson, we’ll look at the examples of inheritance.
Get hands-on with 1200+ tech skills courses.