What is difference between private public and protected?
If the class member declared as public then it can be accessed everywhere.
If the class members declared as protected then it can be accessed only within the class itself and by inheriting and parent classes.
If the class members declared as private then it may only be accessed by the class that defines the member..
What is public/private protected called?
The access restriction to the class members is specified by the labeled public, private, and protected sections within the class body. … The keywords public, private, and protected are called access specifiers.
What is public/private and protected in OOP?
There are three access modifiers: public – the property or method can be accessed from everywhere. … protected – the property or method can be accessed within the class and by classes derived from that class. private – the property or method can ONLY be accessed within the class.
Why we use public private and protected?
A public member is accessible from anywhere outside the class but within a program. … A protected member variable or function is very similar to a private member but it provided one additional benefit that they can be accessed in child classes which are called derived classes.
Is A or inheritance?
In object-oriented programming, the concept of IS-A is a totally based on Inheritance, which can be of two types Class Inheritance or Interface Inheritance. It is just like saying “A is a B type of thing”. For example, Apple is a Fruit, Car is a Vehicle etc. Inheritance is uni-directional.
Can we declare class as private?
No, we cannot declare a top-level class as private or protected. It can be either public or default (no modifier). If it does not have a modifier, it is supposed to have a default access.