Sams Teach Yourself EJB in 21 Days introduces the development and deployment aspects of EJB, the fastest growing standards in developing Java applications in and enterprise environment. EJBs are, functionally, distributed network aware components for developing secure, scalable, transactional, and multi-user components in a J2EE environment. Sams Teach Yourself EJB in 21 Days covers the new features of EJB 2.0, such as local interface, CMP, and CMR. It provides hands-on examples based on practical solutions found in the industry. Tips and best practices give beginners an edge to avoid repeated mistakes. The review questions provide the reader with a study guide. Source code for a complete credit approval process in a transactional e-Commerce environment is provided.

Amazon.com® Reader Reviews (Ranked by Helpfulness)

Average Amazon.com® Rating:  Based on 9 Ratings

Teach yourself to debug Ghaly and Kothapalli's EJBs - 2003-11-04
Reviewer Rating:
I dont think there was a single program that didnt have bug in it. Bugs in the programs. Bugs in the deployment descriptors. Typos and wrong statements in the text. You need to check each and every program, line-by-line, against the updated code which must be downloaded from SAM's website. Your weblogic 30-day trial licence will expire before you finish slogging through this book.

Don't waste your money - 2003-09-17
Reviewer Rating:
I completely agree with TonyGreen7. This book was a total disappointment. How are you supposed to learn such a complicated technology when have the time you are fighting your way through typos, ommissions and grammatical errors. UGH!!!!!

Good for beginners - 2003-11-13
Reviewer Rating:
The book helped me to get fast into EJB, a lot of examples and easy language, it also covers some other J2EE concepts like JMS and JDBC.

Provides good foundation for developing e-commerce apps - 2003-07-11
Reviewer Rating:
This was the first book on EJB that worked for me. Although it
took 1 1/2 months to warm up to all the concepts, it was well
worth the effort. I was able to run all the examples on
Weblogic 7.0 installed on Windows 2000 and Weblogic 8.1
installed on Windows XP. The best practices section offers very
good pointers for real world programming, it also proves
the authors know their subject and are experienced in the field.
The book also demonstrates how easy it is to start using
BEA WebLogic Application Server that you can improve upon.

Precise and practical - 2008-10-28
Reviewer Rating:
The content of the book is precise. It assumes no prior knowledge of EJBs, yet proceeds to the meat of the subject efficiently. So if you are a moderately experienced Java (or C++) programmer, you will quickly go through the definition of EJB, the kinds of beans and when they are used and code snippets in Java and the deployment descriptor that ties it all together in xml.
I don't see as many typos or confusing sentences - at least none that would deter you from understanding the subject - maybe it got cleaned in newer revisions.
Great book, on par with O'Reilly books, but with more basic content to get you up to speed on the subject. This is definitely for engineers (not one of those 'EJB For Managers' kind of books).

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