Question

What is a reference data type ???

Answer 1

A reference type is a data type that refers to an object in memory....

hope it helps you!!

Answer 2

Short note on reference data type:

= > It is a derived data type.

= > It was introduced in c++.

= > It is declared using & operator.

= > It doesn't take any space in memory.

= > A reference must be initialized when it is created.

Ex:

#include<iostream.h>

void main()

{

int a = 10;

int &b = a; ------- Here, b is referencing a.

cout << a << endl;

cout << b << endl;

output:

10

10

Hope it helps!