In context of C++, which of the
following is valid statement ?
(1) Friend function of class is
always a member function of
that class.
(2) Value of static data member
cannot be manipulated once
assigned.
(3) Static data member of a class
can be accessed only by static
member function of that class.
(4) Keywords private, protected and
public may appear in any order
and any number of times in a
class