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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.
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. The area under a curve between two points can b
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.
Assume all the obstacles are of height 4 units and the blocks are of heights 1 (bottom), 2 (top), 1 and 2 (top) units respectively. Complete the control() method of the RobotContr
How many kinds of errors can be found during a program development? List them. 1. Syntax errors 2. Semantic errors 3. Run-time errors
Running a sample Java web application from the web get http 404 error
programming challenges
In order to provide portable and reliable EJB elements, the following restrictions apply to EJB code implementation: 1. Avoid using static non-final fields. Defin
Define the key weakness of the web? the key weakness of the web is Initially web was designed only for humans to read not for computers to understand it.
What is the difference between method overriding and overloading? Overriding is a method with the same name and arguments as in a parent, whereas overloading is the same met
Determine how many arguments were passed using length property In java, array knows their size by using the length property. By using, length property we can determine how many
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