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C++ Tutorial

This C++ tutorial has been written by experienced C++ programmers which helps beginners to advanced programmers while learning C++ in simple and easy step. This tutorial uses a simple and practical approach to describe the concepts of C++ to software engineers.

What is C++?

C++ is a middle-level programming language developed by Bjarne Stroustrup starting in 1979 at Bell Labs. C++ runs on a variety of platforms, such as Windows, Mac OS, and the various versions of UNIX. C++ is an extension of C programming language with object-oriented programming concepts. Or, we can say “C++ is a super set of C programming with additional implementation of object-oriented concepts”.

Why to Learn C++

C++ is an important programming language for the students and working professionals to become a great Software Developer. I will list down some of the key advantages of learning C++:

  • C++ is very close to hardware, so you get a chance to work at a low level which gives you lot of control in terms of memory management, better performance and finally a robust software development.
  • C++ programming gives you a clear understanding about Object Oriented Programming. You will understand low level implementation of polymorphism when you will implement virtual tables and virtual table pointers, or dynamic type identification.
  • C++ is one of the every green programming languages and loved by millions of software developers. If you are a great C++ programmer then you will never sit without work and more importantly you will get highly paid for your work.
  • C++ is the most widely used programming languages in application and system programming. So you can choose your area of interest of software development.
  • C++ really teaches you the difference between compiler, linker and loader, different data types, storage classes, variable types their scopes etc.

There are 1000s of good reasons to learn C++ Programming. But one thing for sure, to learn any programming language, not only C++, you just need to code, and code and finally code until you become expert.

Hello, World! Program Using C++

Just to give you a little excitement about C++ programming, I’m going to give you a small conventional C++ Hello World program, You can try it by clicking on “Edit & Run”.

Below is the code to print “Hello World” on the screen −

#include <iostream>
using namespace std;

// main() is where program execution begins.
int main() {
   cout << "Hello, World!"; // prints Hello, World!
   return 0;
}

C++ Online Compiler

We provided an easy, user-friendly, and fast C++ online compiler, where you can write, save, run, and share your C++ programs.

Try to click the play to run the following C++ code to print conventional “Hello, World!” using C++ Programming.

#include <iostream>
using namespace std;

int main() {
   cout << "Hello, World!"; // prints Hello, World!
   return 0;
}

There are many C++ compilers available which you can use to compile and run above mentioned program:

  • Apple C++. Xcode
  • Bloodshed Dev-C++
  • Clang C++
  • Cygwin (GNU C++)
  • Mentor Graphics
  • MINGW - “Minimalist GNU for Windows”
  • GNU CC source
  • IBM C++
  • Intel C++
  • Microsoft Visual C++
  • Oracle C++
  • HP C++

Features of C++

The following are the features of C++ programming language −

  • C language compatibility: C++ provides backward compatibility with C, it supports all features of C language.
  • Object-oriented programming: C++ supports the concepts of OOPs such as objects & classes, encapsulation, data binding, inheritance, and polymorphism.
  • Compiled language: C++ is a compiler language where the complete code is converted into machine language, which makes it a faster programming language.
  • Standard template library: C++ provides many data structures and algorithms-related library collections, such as template libraries for contains, iterators, algorithms, etc.
  • Dynamic memory management: C++ provides two operators new and delete that help to allocate and deallocate memory blocks dynamically.
  • Exceptional handling: C++ provides try, catch, and throw blocks for exceptional handling, which were not available in C programming.

Applications of C++ Programming

As mentioned before, C++ is one of the most widely used programming languages. It has it’s presence in almost every area of software development. I’m going to list few of them here:

  • Application Software Development - C++ programming has been used in developing almost all the major Operating Systems like Windows, Mac OSX and Linux. Apart from the operating systems, the core part of many browsers like Mozilla Firefox and Chrome have been written using C++. C++ also has been used in developing the most popular database system called MySQL.
  • Programming Languages Development - C++ has been used extensively in developing new programming languages like C#, Java, JavaScript, Perl, UNIX’s C Shell, PHP, Python, and Verilog etc.
  • Computation Programming - C++ is the best friends of scientists because of fast speed and computational efficiencies.
  • Games Development - C++ is extremely fast which allows programmers to do procedural programming for CPU intensive functions and provides greater control over hardware, because of which it has been widely used in development of gaming engines.
  • Embedded System - C++ is being heavily used in developing Medical and Engineering Applications like softwares for MRI machines, high-end CAD/CAM systems etc.

This list goes on, there are various areas where software developers are happily using C++ to provide great softwares. I highly recommend you to learn C++ and contribute great softwares to the community.

Learn C++ By Examples

Practicing C++ examples is the best way to learn C++ programming. All chapters of our C++ tutorial have the related examples with explanation. You can simply go through those examples to understand the concept better.

Jobs or Careers in C++

C++ is a versatile and widely used programming language. Here is the list of some job roles that you can get after learning C++ programming:

  • Software Engineer
  • Game Developer
  • Systems Programmer
  • Embedded System Developer
  • Robotics Engineer
  • Database Developer
  • Graphics Programmer

Here is the list of the companies hiring C++ developers:

  • Microsoft
  • Amazon
  • Facebook
  • IBM
  • Adobe
  • Apple
  • Google

Target Audience - Who should Learn C++?

This C++ tutorial has been prepared for the beginners to help them understand the basics to advanced concepts of the C++ programming language. This tutorial is useful for software and game developers, embedded system developers, system programmers, students, and educators/trainers. After completing this tutorial, you will have a great level of expertise in Python programming, from which you can take yourself to the next level.

Prerequisites to Learn C++

Before you start practicing with various types of examples given in this C++ tutorial,we are making an assumption that you are already aware of the basics of computer program and computer programming language. You should also be familiar with −

  • C++ Compiler
  • IDE
  • Text Editor
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