Question

The static data member _________________

(a) Can be mutable

(b) Can’t be mutable

(c) Can’t be integer

(d) Can’t be characters

The question was asked at a job interview.

This intriguing question originated from Static Member Functions in section Exception Handling & Static Class Members of Object Oriented Programming

Answer 1

Correct answer is (b) Can’t be mutable

To explain I would say: The static data members can never be mutable. There copies are not made. Since those are common and created only once.