An entity bean represents an entity such as an employer, student, etc. An entity bean is grammatically a noun. An instance of an entity bean holds a record in memory about a corresponding entity from a table in a database. For example, an instance of the Employer bean may hold name=XXX, age=23, while another instance may hold name=YYY, age =34. An entity bean also provides logic for accessing and manipulating entities in persistent storage.
It provides synchronous communication between a bean and a client.
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