Complete Modern C++ - Operator Overloading - Part IV (Friend Keyword)

The video tutorial explains how to access private members of a class in C++ using the friend keyword. It covers the limitations of accessing private members directly, introduces the concept of friend functions and classes, and discusses the potential risks and best practices associated with using the friend keyword. The tutorial emphasizes that while the friend keyword can simplify certain problems, it should be used cautiously to avoid bugs.

How can a class be declared as a friend of another class?

Discuss the potential risks of using friend classes or functions.