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Ejb3 basics: Entities

Entity Beans? Better than 2.1, I promise.

Ejb3 Entity beans are a type of enterprise java bean construct used to model data used by the ejb framework. The basic idea is to manipulate simple java objects, which represent in concrete terms your database data, and then have the framework handle as much of the plumbing as possible when you persist the data. Persisting means to store for later use in some data repository – usually some kind of database. By persisting these entities within the ejb framework we are able to abstract out tasks like updating a table and its…

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