Explain the Sotware Architechture of EJB?
Answer / kathir
Session and Entity bean consists of 4or 5 parts
1.RemoteInterface: in this interface we can declare business
methods..
2.HomeInterface:Used for creating a object.
3.Bean Object: An object which actually performs business
logic and ejb specification.
4.Deployment Descriptor: An xml file which contains
information to maintain the ejb.
5.Primarykey : It is specific to entity bean only.
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What Is EJB Clustering? Explain the Functionality?
1 Answers Business Architectures, College School Exams Tests, HCL,
java doesnot support multiple inhetance. but a interface can support.how the ambiguities are rectified in interfaces?
How does ejb invocation take place?
Is state maintained by a Stateless bean?
What is difference between stateless and stateful?
What is the use of @resource?
What does statelessness mean?
What is activemq used for?
What is stateless and stateful session bean in ejb?
What does @singleton annotation do?
What is Enterprise JavaBeans (EJB)?
what s the difference b/w EJB 2.0 and EJB 3.0 technically
2 Answers Microsoft, Mind Tree, Tech Mahindra,