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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.
In Java not all classes must be described separate from each other. You may put the definition of one class under the definition of another class. The class inside class is called
Coarse Grained SOA : Services are also could be coarse grained. E.g: You may have a purchase element with individual functions to make a purchase order, add line items, and a
How Polylines draws in java language? Java automatically closes the polygons it draws. That is it draws polygons which look like the one on the right rather than the one on the
How to Implementing the Cloneable Interface The java.lang.Object class contains a clone() method which returns a bitwise copy of the current object. protected native Object cl
How to Wrapping Your Own Packages in java? Java does not limit you to using just the system supplied packages. You can write your own as well. You write packages just such as
1. In this lab assignment we will be using the vim or emacs editor in addition to the commands we have already learned. Open a shell terminal and create a file named in your home d
What is JavaServer Faces navigation model? Ans) A mechanism for describing the sequence in which pages in a JavaServer Faces application are shown.
any example of games that is created by java ?
Using the above thread program, now create 20 threads in your program and run them. No need to wait for the keyboard in each thread, just print "Hello" and its thread id in each t
Need the following code in double var instead of integer. import javax.swing.*; public class arrayVar { public static void main (String[] args) //This is our main method prompt
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