Question

What are the formal parameters in C++?

(a) Parameters with which functions are called

(b) Parameters which are used in the definition of the function

(c) Variables other than passed parameters in a function

(d) Variables that are never used in the function

I have been asked this question during an interview.

The above asked question is from Basics in section Basics Concepts of C++ of C++

Answer 1

Right option is (b) Parameters which are used in the definition of the function

The explanation is: Formal parameters are those which are used in the definition of a function. They are the parameters that represent the actual parameters passed and they are the one which is used inside the function.