This book takes the reader through the details of the EJB 3.0 architecture, and shows how EJB can be used to develop powerful, standards-based backend business logic. It is designed to be the first and only comprehensive beginning or introductory EJB 3 book to market. The book offers practical insights into the entire EJB architecture, covering all areas of the EJB 3.0 specification, including its new persistence framework, simplified development model, and other key new features. In addition, it covers upgrade headaches: common issues encountered when migrating from EJB 2.1 to EJB 3.0, highly relevant to existing EJB developers.

� propos de l?auteur:

Raghu R. Kodali is a consulting product manager and service-oriented architecture (SOA) evangelist for Oracle Application Server. He has worked in the software industry for over 10 years as a developer, consultant, and presales engineer in emerging technologies. He is responsible for J2EE features with expertise in SOA technologies like EJB, Web Services, and application development frameworks. Raghu has been the lead product manager for EJB design-time features in Oracle JDeveloper since the EJB 1.1 specification. His current area of focus is evangelizing service-oriented infrastructure and implementing service-oriented applications. Prior to product management, Raghu held presales and marketing positions in Oracle Asia Pacific. Before joining Oracle, he worked as a software developer in Singapore. Raghu is frequent presenter at number of technology conferences such as Oracle Open World, Java One, Java Zone, JAOO, and Sun Technology Days. He holds a master's degree in computer applications.

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