Beginning EJB 3: Java EE 7 Edition

CHAPTER 1

Introduction to the EJB Architecture

When we set out to write this book, our goal was to present Enterprise JavaBeans (EJB) to developers, with a keen eye toward how this technology can be used in everyday, real-world applications. JSR-345: Enterprise JavaBeans^TM, Version 3.2 EJB Core Contracts and Requirements is a deep spec that addresses the needs of beginning developers and hardcore power users alike. That’s a large audience to satisfy and, as a reference guide, the EJB spec document covers it well. In writing a book about how to use EJB, we had to narrow our audience; nonetheless, we believe that we’ve written a book that will ...