Basic Structure of a C++ Program (Class 02)
Basic Structure of hello Word in C++
#Include
#include is a way of including a standard or user-defined file in the program and is mostly written at the beginning of any C/C++ program.
The process of importing such files that might be system-defined or user-defined is known as File Inclusion. This type of per-processor directive tells the compiler to include a file in the source code program.
<iostream>
It's called Header file. In Header file has already defined same works.
For Example the <iostream> has defined Work of "Cin" "Cout" and more.
and about data Types and Fuction we are read in Class 03
Give Same Suggestion