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

Jun 25, 2025 · Computer programming is how people can communicate and interact with computers. Learn about some common programming languages and steps to begin building experience.

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

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.

New to coding? Start here and learn programming fundamentals that can be helpful for any language you learn.

The source code for a computer program in C. The gray lines are comments that explain the program to humans. When compiled and run, it will give the output "Hello, world!". A programming language is …

Nov 22, 2025 · 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 …

An introduction to programming using a language called Python. Learn how to read and write code as well as how to test and “debug” it. Designed for students...

This page will help you begin to learn programming and computer science, with some suggested introductory courses on OCW.

计算机程序设计 （英語： Computer programming），或稱 程式設計 （coding），是给 程序 解决出特定问题的过程， 軟體開發 過程中的重要步驟。