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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.
1) Central museum is one of the famous tourist places in london. They ask comments from every customer visiting them. For that, they maintained one register to store visitor;s com
A process is an execution of a code but a thread is a single execution sequence within the process. A process may contain multiple threads. A thread is sometimes named a lightweigh
Write a program called Power that displays the positive powers of 2. When the user enters the exponent at a prompt, the program displays 2 to that power. The program halts when the
Give an example for Using Getter Methods ? class CarTest6 { public static void main(String args[]) { Car c = new Car(); c.setLicensePlate("New York A45 636"); c.setMa
What is an abstract class? Abstract class must be extended/subclassed (to be useful). It serves as a template. A class that is abstract may not be instantiated (ie. you may not
Performance of interpreted byte codes is sufficient but it can be improved much more than that. Byte codes are changed into machine language within no time, this speed of implement
Explain switch statement in java language? Switch statements are shorthands for a certain type of if statement. It is not common to see a stack of if statements all related
Im receiving an error message of Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 5 at Homework.main(Homework.java:51)
Task 1- Design the complete user interface of the simulation. Task 2 -Design the record structures of the text files that are required to drive the working simulation. Populate
You want the base class to represent only an interface for its derived classes. That means, you don't want anyone to actually instantiate an object of the parent class. You only
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