private – only available to be accessed within the class that defines them. protected – accessible in the class that defines them and in other classes which inherit from that class. Things that are private are only visible within the class itself.
What is the difference between protected and private access specifiers in inheritance Mcq?
private member is not inheritable and not accessible in derived class. b. protected member is inheritable and also accessible in derived class.
What is difference between protected and private access specifier?
The private modifier specifies that the member can only be accessed in its own class. The protected modifier specifies that the member can only be accessed within its own package (as with package-private) and, in addition, by a subclass of its class in another package.
What is the difference between public protected and private inheritance?
public inheritance makes public members of the base class public in the derived class, and the protected members of the base class remain protected in the derived class. … private inheritance makes the public and protected members of the base class private in the derived class.
What is the difference between private and protected methods?
The class members declared as private can be accessed only by the functions inside the class. … The class member declared as Protected are inaccessible outside the class but they can be accessed by any subclass(derived class) of that class.
What is string * x y?
Explanation: * is used as dereferencing operator, used to read value stored at the pointed address. 3. Choose the right option. string* x, y; a) x is a pointer to a string, y is a string.
What is the use of private access specifier?
Private: The private access modifier is specified using the keyword private. The methods or data members declared as private are accessible only within the class in which they are declared. Any other class of the same package will not be able to access these members.
Which access specifier has more restrictions?
Hence, we conclude that the default access modifier members can be accessed only within the same package and cannot be accessed from outside the package. And they have more visibility than private access modifier but is more restricted than protected and public access modifiers.
What do you mean by access specifier?
Access modifiers (or access specifiers) are keywords in object-oriented languages that set the accessibility of classes, methods, and other members. … When the class is declared as public, it is accessible to other classes defined in the same package as well as those defined in other packages.
What is private inheritance good for?
The private inheritance can introduce unnecessary multiple inheritance. The private inheritance allows members of Car to convert a Car* to an Engine*. The private inheritance allows access to the protected members of the base class. The private inheritance allows Car to override Engine’s virtual functions.
What are the protected members inheritance?
Protected Inheritance − When deriving from a protected base class, public and protected members of the base class become protected members of the derived class. Private Inheritance − When deriving from a private base class, public and protected members of the base class become private members of the derived class.