What are the two things that you need to overload an operator for a class? (1, 2)
Which of the following operator cannot be overloaded. (2)
a. + b. :: c. [] d. = e.
a. Within the definition of an operator function, how do you refer to the object as a whole? (3)
b. What is the difference between the two statements return this; and return *this;? (3)