This document discusses using Java EE 6 and GlassFish 3 with Eclipse for developing applications. It covers topics like higher productivity through features like auto-completion, integrated and offline javadocs, deploying EJBs in WAR files, using EJB timer syntax, pre-configured JDBC resources, developing with Facelets and JSF 2.0, building RESTful web services with JAX-RS, and references for more information.