This list of categories tries to capture all pioneering Java technology that is being worked on. If you are an absolute rookie, the first category Before you Begin is for you. You will find information on the history and future of Java and where to find other information. Then, when you start to get a feeling on this cool technology, you can dive right into the category Getting Started that will redirect you to links that explain all you need to get started, from downloading the software to writing your first 'Hello, World' application. The rest of these umbrella categories are for users that already know what categories to follow to get to the information they're interested in. Feel free to browse around and post as many questions or answers you like.