Answer / supriya

friend function is the one that can access the private data
members of the class to which it is made as friend. this is
advantageous when any class needs any computation which
requires the private data members of two different classes.
in such case that class can be made as friend to both the
classes whose data it needs

Answer / devi

The above ans is also right.
->Friend function is the one that can access the private
data members of the same class and other class which it is
made as friend.
->The advantageous of friend function that function not called
by object of the class.
->That means without using object name and dot operator that call the friend function.It
can define private area and public area.
->The friend function define outside the class without using
the class name and scope resolution operator.

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