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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.
how to imlement thomas'' write rule?
Write a program using local variable Public void someMethod( ) { int x; //local variable System.out.println(x); // compile time error } - Constructor - Doesn't
Describe the Four Levels of Access Protection ? Any two various Java objects have one of four relations to each other. The four relations are: • The objects are in the simila
Write a program called BaseConverter that prompts (asks) the user for a base 10 number and another number, between 2 and 10 inclusive. This second number is the base to which to co
What does WAN stand for? Wide Area Network - A network in that computers are separated through great distances classically across cities or even continents.
The roster lets you keep track of the availability ("presence") of other users. A roster also allows you to organize users into groups such as "Friends" and "Co-workers". Other IM
Are constructors inherited ? Can a subclass call the parent class constructor and When?
What is static in java? Static means one per class, not one for each object no matter how many example of a class might exist. This means that you can use them without making a
Using RMI, program a PONG game that enables two users to play against one another. Pong class: package graphics;/* * Copyright (c) 2006, Your Corporation. All Rights Reserved. */
Struts components can be classify into Model, View and Controller: ? Model: Components like business logic /business processes and data are the type of model. ? View: HTML, J
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