Question

definition of friend function in c++​

Answer 1

Answer:

A friend function of a class is defined outside that class

Explanation:

Answer 2

Answer:

In object-oriented programming, a friend function, that is a "friend" of a given class, is a function that is given the same access as methods to private and protected data. A friend function is declared by the class that is granting access, so friend functions are part of the class interface, like methods.