Rating:  - The DEFINITIVE Guid to EJB 3
If you are buying a book on EJB 3, this should be it.
This book has no equal.
Interesting/Relevant examples, no "stretching" to prove/illustrate a point/concept, straight-forward, smothered in suggestions for constructive thought process in your designs, filled with reference to methodologies and their value, etc. etc. etc.
I cannot speak highly enough for this book.
From beginner to advanced EJB developer, you will find this as not only a valuable reference, but a wonderful insight into how to go about designing your Java-based enterprise applications.
The wide variety of topics covered do not take away from the primary focus of the book: Entities, Session Beans and MDBeans. These core principals are beautifully illustrated in this book in a wonderfully architected example.
The book touches briefly on the principals of Web Services, WARs, packaging, JBoss, etc. etc. etc. These brief touches show that while all of these aspects are involved in Java enterprise systems, that the core of all of them is the powerful ESbMDb structure. The author leaves it to specialized books to speak of these topics rather than trying to munge them into his in-depth coverage of their core principals.
Rating: - EJB 3.0 are two times more simple and with this book even three times than 2.1
I am very delighted by this book. It explains and shows new possibilities of EJB 3.0. Of course I knew generally how it works. But after reading of this book I am sure I will mainly use this version. There is a lot of new specification concepts explained directly from its leaders (Java Persistence, Entity Manager, new behaviour and control of transactions in stateful session beans and much more). I was also very surprised by Exercise chapters. You will learn how to work with JBoss application server. You can download working examples. This book is the absolute must for developers certified in previous versions as it is in my case.
Rating: - Easy EJB
This book will help anyone who buys it with it future developments in EJB 3.0.
For those (like me) comming from EJB 2.1 it's a must, EJB 3.0 redefines (in fact eases) most of the workarounds of this technology.
Rating: - Best for EJB 3 and JPA .
I never read a book for EJB 3 with such good examples .It helps everyone to learn JPA through concept and examples. Obviously you can download and able to run all examples with JBoss . This is one of my favorite books :) and my only favorite book for EJB 3.0.
Note -If you want to avoid reading lot of theory you can jump to exercise area where u can simply run and see it .For all examples explanation are provided and I believe it is good enough.
Rating: - Outstanding Book!!!
This is a review of the fourth edition which covers EJB 2.1 and EJB 2.0. While there is a newer edition covering EJB 3.0, I specifically needed to buy the older version since I had to learn EJB 2.0 for my application. This is truly an outstanding book. Very rarely have I seen a book of this level of detail and quality at the same time. The author presents the topics in very clear tone, so it is easy to follow. The author does repeat same concepts sometimes but I found it to be helpful to remember. There are tons of examples spread through out many chapters. The JBoss workbook provided in the second part of the book is by itself worth the price of this book. Clear instructions and explanations are provided as part of this workbook. I tested all examples in the book in JBoss 4.x and with a couple of exceptions noted here, they run fine. My only disappointment with this book relates to the chapters on web services - the explanation was not good enough to follow nor was I able to get the examples to run in JBoss. However, this is not a book on web services, so I guess it is ok. I highly recommend this book to any one who wants to learn EJB's especially by testing the many examples given in this book. Kudos to the authors for doing an excellent job.
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