Question

A C++ call by reference integer parameter would look like:

a.int and x

b. char and ch

c. no answer is correct

d. int x

Answer 1

Answer:

a.int and x

Explanation:

When you pass an integer by reference so the changes that will be made in the function on that reference variable will be reflected on the original parameter.A variable can be passed by reference either by passing a pointer to the original variable or pass the address of the variable.

Passing address int & x;

Passing pointer int * x;

Answer 2

Answer:

Option(C) is the correct answer for the given question.

Explanation:

In C++ call by reference integer parameter can be declared by the  ' & ' .The correct  declaration of  integer type reference in c++  is  int &x ;

Option(a) ,Option(b) and option(d) are the incorrect answer for the given question.

So no answer is correct .