C++ Introduction C-PLUS-PLUS
- C++ Introduction
- C++ Syntax
- C++ Output (cout <<)
- C++ Comments
- C++ Variables
- C++ User Input
- C++ Data Types
- C++ Operators
- C++ Strings
- C++ Math
- C++ Booleans
- C++ If Else
- C++ Switch
- C++ While Loop
- C++ Do/While Loop
- C++ For Loop
- C++ Break and Continue
- C++ Arrays
- C++ References
- C++ Pointers
- C++ Functions
- C++ Functions Parameters
- C++ Function Overloading
- C++ OOP
- C++ Classes and Objects
- C++ Class Methods
- C++ Constructors
- Destructors in C++
- C++ Access Specifiers
- C++ Encapsulation
- C++ Inheritance
- C++ Polymorphism
- C++ Files
- C++ Exception Handling
C++ Introduction
What is C++?
C++ is a cross-platform language that can be used to create high-performance applications. It was developed by Bjarne Stroustrup at Bell Labs in 1979, as an extension to the C language.
C++ gives programmers a high level of control over system resources and memory. It is one of the world's most popular programming languages.
C++ can be found in today's operating systems, Graphical User Interfaces, and embedded systems.
C++ is an object-oriented language that gives a clear structure to programs and allows code to be reused, lowering development costs. It is portable and can be used to develop applications that can be adapted to multiple platforms.
C++ Get Started
To start using C++, you need two things:
- A text editor, like Notepad, to write C++ code
- A compiler, like GCC, to translate the C++ code into a language that the computer will understand
C++ Install IDE
An IDE (Integrated Development Environment) is used to edit AND compile the code.
Popular IDE's include Code::Blocks, Eclipse, and Visual Studio. These are all free, and they can be used to both edit and debug C++ code.
Note: Web-based IDE's can work as well, but functionality is limited.
We will use Code::Blocks in our tutorial, which we believe is a good place to start.
You can find the latest version of Codeblocks at https://www.codeblocks.org/downloads/26. Download the mingw-setup.exe file, which will install the text editor with a compiler.
C++ Quickstart
Let's create our first C++ file.
Open Codeblocks and go to File > New > Empty File.
Write the following C++ code and save the file as myfirstprogram.cpp (File > Save File as): myfirstprogram.cpp
myfirstprogram.cpp
#include <iostream>
using namespace std;
int main() {
cout << "Hello World!";
return 0;
}
In Codeblocks, it should look like this:
Then, go to Build > Build and Run to run (execute) the program. The result will look something to this:
Hello World!
Process returned 0 (0x0) execution time : 0.011 s
Press any key to continue.Congratulations! You have now written and executed your first C++ program.
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