Latest Answer: I would suggest everyone to check with any one because many people who might be novice to Java might think that the answer is correct...so please refrain from posting half correct answersEjb components are based on Distributed Objects.You can achieve ...
Latest Answer: It is not mandatory to create EAR to deploy EJB. You can just create a JAR file with all dependancy resolved. There no generic way to deploy EJB on different server, Every server has it's own deployment process. So just follow the deploment steps of your ...
Latest Answer: The major differences i have seen between EJB 2.x and EJB 3.0 versions are as follows :- 1). Removal of home interface enabled simple lookup process in ejb 3.0 2). EJB deployment descriptors are not required in ejb3.0 3). Annotations are used in ejb3.0 ...
What is the difference between ejb2.0 and ejb3.0 and i reviewed in net that ejb 3.0 using POJO(plain old java objects) what is pojoi want the reply for this
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Latest Answer: Stateful sessions beans maintain their state within the EJB layer itself.It is taken care of by the container,whereas the Web Layer maintains its state using cookies or HttpSession object. ...
Latest Answer: Hi, A message-driven bean is an enterprise bean that allows J2EE applications to process messages asynchronouslyAdvantages-----------------A single message Driven bean can process messages from multiple clientsThey are invoked asynchronously. ...
Latest Answer: CMP WAS TOO WEAK BEFORE.NOW IN EJB2.0 IT BECOME A STRONG CONCEPT WITH CMR INCLUSION.LAZY LOADING IS AVOIDED Iie,Data are loaded only when a business method is called.But in EJB 1.1 the data is loaded before the business method call occupying the ...
we can run any number of JVM's.
Latest Answer: hi, keeping in mind the concept of env. variable, JAVA_HOME is globaly defined variable, we assigns class path to this variable, on compilation takes place, only one value can be assigned to a variable, it mean only one jvm will be running . so one ...
Latest Answer: Servlet tunneling means when one request from a servlet is passed to another servlet in order to achieve an application objective it is called servlet tunneling.Its called tunneling as the request passes through more than 1 servlets.Rgds. ...
Latest Answer: JSP vs Servlet1) Servlet is pure java codes, which is used to extend the web server by providing dynamic codes. Inorder to write those codes, we require a strong background in JAVA programming2) If our development involves, working with diffrerent team ...
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