You should now be well equipped to start exploring Couchbase Server on your own. If you want to dig deeper and see a full-fledged application on top of Couchbase Server 2.0, head over to the Web Application Tutorial. Also, the server documentation and the developer documentation provide useful information for your day-to-day work with Couchbase. Finally, the API docs of the Java SDK can be found here. And JavaDoc is also available.