Variable in C++

A variable can be known as a temporary container for storing information. The programmers are required different methods to store the data; variable provides different methods to work with numbers and value.

Example:

int q=18;
Where, q = variable name

Datatypes of Variable:

Variable have datatypes. On the base of that data types, memory allocations take place by operating system.

Following are the list of datatype present in C++ programming language:

1. Character types
2. Integer types (signed)
3. Integer types (unsigned)
4. Floating-point types
5. Void type
6. Boolean type
7. Null pointer

Example of C++ Variable Program:

#include <iostream>
using namespace std;
int main() 
{
int x= 8;
int y=9;
int result =x*y;
 cout<<result;
return 0;
}

Result: 72