EJB Roles and Their Responsibilities

As you probably are aware or will most definitely learn by the time you finish this book, there are many pieces to the enterprise application puzzle. Fitting all of them together is sometimes very much like putting together a jigsaw puzzle blindfolded. From building the infrastructure that handles database access to ensuring security of the application, the amount of knowledge that one must posses to build an entire enterprise application is mind-boggling and sometimes can be overwhelming. In fact, just trying to learn how much there is to learn can be tiring and frustrating.

The first thing you need to learn is what pieces make up an EJB application. The second and much harder task is learning how to build ...

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