The Java Middleware Architecture
EJBs represent the middleware technology for the multitiered J2EE architecture. As such, it is useful to review where this technology fits within the overall multitiered technology we are developing.
Ultimately, the goal of EJBs is to provide a distributed software component—a remote object that can be accessed or invoked by remote clients. These components operate within a container which provides a specific set of services for the component. These services, as detailed in the next section of this chapter, represent the value added to this basic remote object invocation capability by J2EE.
The J2EE specification provides for EJB components. These components are special Java objects that can be invoked and run ...
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