The surprisingly successful book Real World Java EE Patterns–Rethinking Best Practices discusses the rethinking of legacy J2EE patterns. Now, Real World Java EE Night Hacks–Dissecting the Business Tier walks you through the Java EE 6 best practices and patterns used to create a real world application called “x-ray.” X-ray is a high-performance blog statistics application built with nothing but vanilla Java EE 6 leveraging the synergies between the JAX-RS, EJB 3.1, JPA 2, and CDI 1.0 APIs.