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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.
I have to Create a program that determine the shipping cost for an order based on he following chart: From To Price $0.00 $19.99 $2.95 $20.00 $49.99 $3.95
how to create a hostel management system
Explain The different kinds of exceptions ? Checked Exceptions : Environmental error in which cannot necessarily be detected through testing; e.g. broken socket, disk full,
Ten pigs were all in a pen, enjoying their morning slop when a bird flew down from a nearby tree and began picking all the best bits out from the trough. This greatly perturbed the
Develop a code for fibonacci series
What is the use of UnicastRemoteObject in RMI? Ans) The UnicastRemoteObject class gives support for point-to-point active object references using TCP streams. Objects that need
Give the example of Using a class from the class library ? You use the java.net.URL class only like you'd use any other class along with these methods in which happens to be n
What is Bullseye explain with an example? This is a easy applet that draws a series of filled, concentric circles alternating red and white, instead a bullseye. import java.ap
How can we use Observer and Observable ?
calculate the size of the tract of land by the size of an acre to get the number of acres.
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