41.What ACID stands for? ACID stands for Atomic, Consistent,Isolated and Durable.
EJB
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31.How EJB implements dependency injection? EJB 3.0 specification provides annotations which can be applied on fields or setter methods to inject dependencies. EJB Container uses the global JNDI registry to …
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21.What is Callback in EJB? Callback is a mechanism by which life cycle of an enterprise bean can be intercepted. EJB 3.0 specification has specified callbacks for which callback handler …
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11.Explain @javax.ejb.Stateless annotation. @javax.ejb.Stateless annotation specifies that a given ejb class is a stateless session bean.Following are its attributes: name – Used to specify name of the session bean. …
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1.What is EJB? EJB stands for Enterprise Java Beans. EJB is an essential part of a J2EE platform. J2EE platform have component based architecture to provide multi-tiered, distributed and highly …