what is ejb

Answer Posted / rajendra

EJB or Enterprise Java Beans is a component architecture for
the development and deployment of object-oriented,
distributed, enterprise-level applications. Applications
written using the Enterprise JavaBeans architecture are
scalable, transactional, and multi-user and secure. The
enterprise bean is a component that implements a business
task or business entity and is of two types- entity bean or
a session bean.

Is This Answer Correct ?    0 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is the advantage of using entity bean for database operations, over directly using jdbc api to do database operations?

544


What is the difference between session and entity beans? When should I use one or the other?

539


What is ejb container in java?

512


What are the design principles for ejb?

518


What is @resource in java?

520






An instance of stateful session ejb when accessed simultaneously from more than one clients on same vm results in remoteexception or ejbexception. In case the client is a servlet thread, which of the techniques can be used to avoid remoteexception/ejbexception?

557


What are the types of ejb?

534


What are transaction isolation levels in ejb?

541


What is an entity and its types?

539


What are the callback annotations for the stateless bean?

489


Define ejb Create() and EjbPostCreate()?

556


Enlist the CallBack methods of Entity Bean.

575


What is an ejb context?

558


Is method overloading allowed in ejb?

546


Which services are provided to ejb components by the ejb container?

718