What is jar, war, and ear?
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what are required main interfaces in EJB?
What is message-driven bean?
What is EJB object?
What are versions of ejb?
In an EJB project, Howmany tables and How many entity beans are used?
java doesnot support multiple inhetance. but a interface can support.how the ambiguities are rectified in interfaces?
Can we write the Remote and Local Interfaces in one Bean. How do you define it in the deployment descriptor.
What are the types of enterprise bean?
How does legacy object mapping work?
Define EAR, WAR and JAR ?
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?
how to set the relationship between tables in ejb