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Objective 4.3: Distinguish Session and Entity beans

Entity Beans

An entity bean represents a business object in a persistent storage medium.

Entity bean lifecycle:

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This site aims at explaining the exam objectives of SCEA.

Section 4: Enterprise JavaBeans Technology

List the required classes/interfaces that must be provided for an EJB technology
Distinguish stateful and stateless Session beans
Distinguish Session and Entity beans
Recognize appropriate uses for Entity, Stateful Session, and Stateless Session beans
State benefits and costs of Container Managed Persistence
State the transactional behavior in a given scenario for an enterprise bean method with a specified transactional deployment descriptor
Given a requirement specification detailing security and flexibility needs, identify architectures that would fulfill those requirements
Identify costs and benefits of using an intermediate data-access object between an entity bean and the data resource

Objectives

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