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EJB 3 in Action by Derek Lane, Reza Rahman, Debu Panda

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Chapter 2. A first taste of EJB

This chapter covers

  • Metadata annotations
  • Dependency injection
  • The ActionBazaar application
  • Code examples of session beans, MDBs, and entities

In this age of hyper-competitiveness, learning a new technology by balancing a book on your lap while hacking away at a business problem on the keyboard has become the norm. Let’s face it—somewhere deep down you probably prefer this “baptism by fire” to trudging the same old roads over and over again. This chapter is for the brave pioneer in all of us, eager to peek over the horizon into the new world of EJB 3.

The first chapter gave you a 20,000-foot view of the EJB 3 landscape from on board a hypersonic jet. We defined EJB, described the services it offers as well ...

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