EJB FULL FORM

Full Form of EJB : Enterprise Java Bean

What is the full form of EJB?

No:1. The full form of EJB is Enterprise Java Bean.
No:2. EJB is one of the versatile and manageably designed Java APIs (application programming interfaces) for the Java Platform, Enterprise Edition (JEE) and enterprise applications.
No:3. The growth and expansion process of large, fixed, guaranteed and scalable application components can be made simpler by Sun Microsystems.
No:4. EJB is a server-side & platform-independent software element that, inflexible, guaranteed, defined, multi-layer and application programs, communicates the key features of business processes.
No:5. Thus it encourages the efforts of app developers by allowing them to concentrate on their business processes.

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EJB types

EJB is categorized into three types

No:1. Entity bean

a). The preservation of the object constitutes EJB.
b). It is a part of data that retains the information in the database.

No:2. Session bean

a). A session bean is a non-persevering item; the business logic of the customers is implemented.
b). Example: It can compute interest on deposits for a banking application.

No:3. Message-driven bean

It organizes concurrently occurring messages, so it is implemented in an asynchronous communication system such as the formulation of JMS messages.

EJB ‘s Requirement

No:1. Data and services are spread over many sites.
No:2. When the app needs to be flexible and it is centric around efficiency.
No:3. The EJB web framework can coordinate transaction limits whenever a user needs the organization of transactions.
No:4. A disjunction among business logic & presentation whenever the application involves expressing the basic characteristics of business logic.

EJB usage

No:1. The EJBs will include the business logic that settles behind the Web-oriented constituents, like servlets & JSPs, in a Web-centric framework.
No:2. Thick client applications, including Swing applications, can use EJBs similarly to Web-centric apps.
No:3. EJBs may provide a link between the network technologies frequently used to distribute e-commerce business-to-business (B2B) and company systems.

Benefits

No:1. Free protection is provided to EJB access.
No:2. Declarative payments are dispense within the EJB.
No:3. In EJBs, caching & pooling are also used to improve performance. EJB web containers execute life cycles with EJBs.
No:4. In the EJB, remote access skills are accessible and scalability is increasing.
No:5. Programming is possible depending on the use of attributes or annotations.
No:6. For free use, many complicated options are available.
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