2.9. Uses of Entity Beans, Stateful Beans, and Stateless Beans
Entity beans are used to persist the enterprise data. The entity bean is a sharable enterprise data object that can be used by many users concurrently.
The stateful session bean is used to manage the state of a users session on the server. An example of a stateful session bean would be a shopping cart. The stateless session bean can be used to implement the business logic and workflow of an application.
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