A JavadocTM tool reference for packages that are provided with the Enterprise Server is located at https://glassfish.dev.java.net/nonav/api/v3-prelude/index.html. Additionally, the following resources might be useful:
For information about creating enterprise applications in the NetBeansTM Integrated Development Environment (IDE), see http://www.netbeans.org/kb/60/index.html.
For information about the Java DB for use with the Enterprise Server, see http://developers.sun.com/javadb/.