Question

How many approaches are used for operator overloading?

(a) 1

(b) 2

(c) 3

(d) 4

This question was posed to me during an interview.

I'd like to ask this question from Operator Overloading in chapter Source Files, Classes and Operator Overloading in C++ of C++

Answer 1

Correct choice is (c) 3

To explain I would say: There are 3 different approaches used for operator overloading:

i. Overloading unary operator.

ii. Overloading binary operator.

iii. Overloading binary operator using a friend function.