Friend Function | Friend Class In C++

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In this video we will learn what is the use of friend class and friend function in c++.

1. Keyword "friend" is used to make some [function OR class] as friend of your class.
2. Friend function OR friend class can access private/public/protected Data Member OR Member Functions of another class.
3. Function can not become friend of another function.
4. Class can not become friend of function.
5. Friendship is not mutual. If a class A is friend of B, then B doesn’t become friend of A automatically.
6. Friendship is not inherited.

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