Book excerpt: Applied Enterprise JavaBeans Technologyshows how to leverage the full power of EJB 2.0 to build industrial-strength applications that are distributed, transactional, and secure. Exceptionally comprehensive and accurate, this book starts from first principles and progresses to the state-of-the-art, revealing normally hidden aspects of the EJB architecture that offer immense power to developers. It includes a full-scale case study, in-depth coverage of integration, and extensive cross-references to the official EJB 2.0 specifications.