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Python Exercises Many chapters in this tutorial end with an exercise where you can check your level of knowledge.

PHP Tutorial PHP is a server scripting language, and a powerful tool for making dynamic and interactive web pages.

Learn JavaScript The programming language of the Web. JavaScript is easy to learn. This tutorial covers everything from basic JavaScript up to the latest 2025 version. Start learning …

HTML Exercises Many chapters in this tutorial end with an exercise where you can check your level of knowledge.

Examples in Each Chapter This CSS tutorial contains hundreds of CSS examples. With our online editor, you can edit the CSS, and click on a button to view the result.

Click on the "Run example" button to see how it works. We recommend reading this tutorial, in the sequence listed in the left menu. C++ is an object oriented language and some concepts may …

Click on the "Run example" button to see how it works. We recommend reading this tutorial, in the sequence listed in the left menu. Java is an object oriented language and some concepts may …

Our SQL tutorial will teach you how to use SQL in: MySQL, SQL Server, MS Access, Oracle, Sybase, Informix, Postgres, and other database systems. Start learning SQL now »

Click on the "Run example" button to see how it works. We recommend reading this tutorial, in the sequence listed in the left menu.