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This tutorial supplements all explanations with clarifying examples. See All C Examples. Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, PHP, Python, Bootstrap, Java and XML.
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. There are many text editors and compilers to choose from. In this tutorial, we will use an IDE (see below).
What is C? C is a general-purpose programming language created by Dennis Ritchie at the Bell Laboratories in 1972. It is a very popular language, despite being old. The main reason for its popularity is because it is a fundamental language in the field of computer science.
Code Editor (Try it) With our online code editor, you can edit code and view the result in your browser
Example explained. Line 1: #include <stdio.h> is a header file library that lets us work with input and output functions, such as printf() (used in line 4). Header files add functionality to C programs. Don't worry if you don't understand how #include <stdio.h> works.
Comments in C. Comments can be used to explain code, and to make it more readable. It can also be used to prevent execution when testing alternative code. Comments can be singled-lined or multi-lined.
Variables are containers for storing data values, like numbers and characters. In C, there are different types of variables (defined with different keywords), for example: int - stores integers (whole numbers), without decimals, such as 123 or -123. float - stores floating point numbers, with decimals, such as 19.99 or -19.99.
C++ is an object-oriented programming language which gives a clear structure to programs and allows code to be reused, lowering development costs. C++ is portable and can be used to develop applications that can be adapted to multiple platforms. C++ is fun and easy to learn!
Learn C++. C++ is a popular programming language. C++ is used to create computer programs, and is one of the most used language in game development. C++ was developed as an extension of C, and both languages have almost the same syntax. Start learning C++ now »
W3Schools Tryit Editor. Run . Get your own website Result Size: 497 x 414. x. #include <stdio.h>. int main() {. printf("Hello World!"); return 0;