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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.
Polymorphism - defines the ability of a single variable of a provided type to be used to reference objects of different types, and automatically call the method that is specific
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write a program to find the area under the curve y=f(x) between x=a and x=b,integrate y=f(x) between the limits of a and b. #include float start_point,
Static resources should always be contained using the JSP include directive. This way, the inclusion is performed just once during the translation phase. Do note that you should al
Extend the given drawing program (the version that allows undo and redo) as follows: a) Allow the user to select font and font size; user should also be able to boldface, underl
What is the difference among ForwardAction and IncludeAction? Ans) The difference is that you require to use the IncludeAction only if the action is going to be contained by ano
Write the hashCode() method of java.lang.Object Anytime you override equals() you should also override hashCode(). The hashCode() method should ideally return the similar int f
I do not understand how to do this? can someone help me?
Define the difference between StringBuffer and String class ?
Explain The ? operator in Java ? The value of a variable frequent depends on whether a particular boolean expression is or is not true and on nothing else. For example one ge
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