With a lot of material on EJB architecture and design, this new edition can serve as an authoritative source for mastering the standard nuts today. Besides a general introduction to EJBs, the new edition of this book is excellent in highlighting the differences between EJB 1.0 and 1.1 standards. For each bean sample, the author provides the XML, as well as old-style Java code to EJB 1.0. There are also a lot of coverage of the new dependency on JNDI (Java directory service) in EJB 1.1 and other late-breaking Sun standards, such as combining EJBs with servlets and JSPS to deliver dynamic Web content. text is structured as a tutorial for the main types of EJBs with full coverage of entity beans (for accessing databases) and session beans (to manage the "conversation" with a particular client.) Useful appendix lists all the EJB API and other information (such as EJB vendor list now). Overall, the revised edition of Enterprise JavaBeans show of great power from a new EJB 1.1 standard. 1.1 and 1.0, distributed objects, Component Transaction Monitors (CTMs), application servers and EJBs, resource management, setup EJB servers, entity beans, session beans and workflow, JNDI naming service, life cycle bean, container managed and bean - managed persistence for entity beans, stateful and stateless session beans, spread the nuts in JAR files (EJB 1.1 and 1.0 conventions), XML deployment descriptions, the basics of transactions (ACID properties and JTS), EJB security, design strategy and performance tips for EJBs , Java 2 Enterprise Edition (J2EE) and EJBs, servlets and JSPS used with EJBs, bean samples, state and sequence diagrams for EJBs, and EJB API reference.