C++ Program Basics Class Notes

C++ Basics

C++ is a powerful general-purpose programming language. It can be used to develop operating systems,
browsers, games, and so on. C++ supports different ways of programming like procedural, object-oriented,
functional, and so on. This makes C++ powerful as well as flexible.

After doing this module, you will be able to:

1. Identify the different parts of the C++ program.
2. Use constants, operators, and expressions correctly in the c++ programs
3. Create a c++ programs successfully



DISCOVER
C++ basics - Discussion & Summary to learn about:

 Parts of a C++ Program
 Global Declarations
 Data Types
 Comments
 Keywords
 The cout and cin Statements
 Constants

DISCUSS
C++ PROGRAMING TUTORIALS
Hello World – First C++ Program
In this guide we will write and understand the first program in C++ programming. We are writing a
simple C++ program that prints “Hello World!” message. Let’s see the program first and then we will
discuss each and every part of it in detail.
Hello World Program in C++

/*
* Multiple line
* comment
*/
#include<iostream>

//Single line comment
using namespace std;

//This is where the execution of program begins
int main()
{
// displays Hello World! on screen
cout<<"Hello World!";

return 0;
}