Learn to code in Python, C/C++, Java, and other popular programming languages with our easy to follow tutorials, examples, online compiler and references.

To understand programming, we need to understand the basic underlying concepts. The following pages explain the basic programming concepts, using code examples, images, and animations.

Computer programming or coding is the composition of sequences of instructions, called programs, that computers can follow to perform tasks. [1][2] It involves designing and implementing algorithms, step …

Mar 14, 2026 · Coding and programming are sometimes used interchangeably, but the two concepts are slightly different: coding refers to the act of writing code, while programming refers to creating a set …

Programming is the mental process of thinking up instructions to give to a machine (like a computer). Coding is the process of transforming those ideas into a written language that a computer can …

Feb 23, 2026 · Coding (or programming) is the process of writing instructions in languages like Java, Python, or C++ to tell a computer what to do. It’s used to build software, websites, apps, games, and …

Build Your Skills for Free. Advance your career by learning in-demand skills in Programming, DevOps, Cybersecurity, AI Engineering, and English for Developers.

Master programming skills with interactive lessons, real-world projects, and expert guidance. Join 50,000+ students learning to code.

Learn introductory programming and data analysis in MATLAB, with applications to biology and medicine. Browse the latest Programming courses from Harvard University.

Programming is the process of creating a set of instructions that tell a computer how to perform a task. We can program using a variety of computer programming languages, such as JavaScript, Python, …