Mastering EJB is now in its fourth edition (last published on July 2006) and has been updated for EJB 3.0.掌握EJB的是，现在在其第四版（去年发表的2006年7月） ，并已更新的EJB 3.0 。 This edition features chapters on session beans and message-driven beans, EJB-Java EE integration and advanced persistence concepts.这Edition功能的章节会议豆类和消息驱动的豆类， EJB的Java和电子工程专辑一体化和先进的毅力的概念。 In-depth coverage of the Java Persistence API and using POJO entities with EJB is also included.在深入报道的Java持久性API和使用波霍实体与EJB的也包括在内。

What’s new:有什么新功能：

- More than 50% new and revised material -5 0％以上的新订及经修订的物质
- Four new chapters and one new appendix covering the latest features of the new release -四个新的章节和一个新的附录，包括最新功能的新版本
- Basic and advanced concepts (such as inheritance, relationships, and so on) of Java Persistence API defined entities -基本和先进的观念（如继承，关系，等等）的J ava持久性A PI的定义实体
- Information on integrating EJB applications with the outside world via the Java EE Connector technology -信息整合的E JB的应用与外部世界，透过J ava的电子连接器技术
- Tips and techniques for designing and deploying EJB for better performance -技巧和技术，设计和部署的E JB更好的表现
- Best practices for EJB 3.0 application design, development and testing -最佳做法的E JB3 .0应用程序的设计，开发和测试
- Complete usage of EJB annotations along with equivalent XML configuration -完成使用E JB的说明随着相当于X ML配置
- Tricks and traps of EJB deployment -机巧和陷阱的E JB部署
- JBoss Workbook that discusses the exercises for each chapter (although the chapters are themselves vendor-agnostic) -J Boss的工作簿中讨论了演习，每章（虽然章节本身提供商）

link链接

Download:下载： Mastering EJB 3.0掌握EJB的3.0 & ＆ Source code源代码 (requires free ServerSide registration). （需要免费Serverside集团注册） 。

I have read this book (Mastering EJB) in earlier editions and I recommend it.我看过这本书（掌握的EJB ）在较早版本，我建议。