This Java tutorial, created by the makers of the language, covers all the basics needed to start programming. Some of the general subjects discussed on the site include writing applets, 2D graphics, security, and custom networking. Each of the main sections has several lessons that describe specific topics. The first few are probably essential for every Java beginner, but the specialized sections can be selected based on whatever particular task is required by the user. There are many examples of code that illustrate the important points. All of the material covered in the online tutorial can also be downloaded for viewing at home.