Explain the notion of friendship. Explain the negative aspects of friendship as described in the text.

What will be an ideal response?

Functions that are declared as friends of a class have access to that class’s private and protected members. Some people in the object-oriented programming community prefer not to use friend functions. Such people believe friendship corrupts information hiding and weakens the value of the object-oriented design approach, because friend functions can directly access a class’s implementation details that are
supposed to be hidden.