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EJBs are distributed elements, which need the RMI framework for object distribution. An EJB application server gives more services like object pooling, transaction management, database connection-pooling etc, which RMI does not produce. These extra services that are provided by the EJB server simplify the programming effort at the cost of performance overhead compared to plain RMI. So if performance is important than pure RMI may be a good solution.
The decision to go for EJB or RMI or Sockets should be based on needs such as maintainability, ease of coding, performance, extensibility, scalability, availability of application servers, business needs etc.
J2EE prepares use of the JNDI interface to access different resources like JMS, JDBC, EJB etc. The client finds up for these resources through the JNDI look-up. The JNDI look like
System Program Project Description: I want someone who can study my existing program and from there the updates may be done Skills required: Java, Oracle, MySQL, Softwa
An RMI "service" could well be any Java method that can be invoked remotely. The other service is the JRMP RMI naming service which is a lookup service.
what are the steps of object oriented programming language?
The File class encapsulates the files and directories of the local file system. The RandomAccessFile class gives the methods required to directly access data contained in any part
Question: (a) Explain the importance of abstract classes in Java with an appropriate example. (b) Explain what is meant by an interface in Java? Use a simple example to il
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Describe the if statement in Java ? All but the most trivial computer programs required to form decisions. They test a condition and operate in a different way based on the out
Create objects of student class by calling default Create objects of student class by calling default, parameterize and copy constructor Call student class different methods on
I have been working on my compiler''s parser now. And for some reason i cant make my parse tree printer to work. SyntaxTree keeps on showing as null when i invoke the print() metho
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