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Class variables are named as static variables. There is only single occurrence of a class variable per JVM per class loader. When a class is operated the class variables are initialized.
Instance variables are non-static and there is single occurrence of an instance variable in each and every class instance. A static variable is used in the singleton pattern. A static variable is used with a final keyword to define constants.
Explain break statement in a loop ? A break statement exits a loop before an entry condition fails. For instance, in this variation on the CountWheat program an error messa
Explain The java.net package Each package describes a number of classes, interfaces, exceptions, and errors. For instance, the java.net package contains these, classes, interfa
EJB 2.x is broadly adopted server side component architecture for J2EE. 1. EJB is a remote, distributed multi-tier system and allows protocols like IIOP, JRMP, and HTTP etc.
Write responsibilities of the followings 1. Developer a) Module level design. b) Coding c) Unit testing 2. Executive Team a) Responsible for the day to day operations. b) A
Describe Polymorphism? Polymorphism can be referred as one name many forms. It's the ability of methods to behave differently, depending upon object who is calling it. Key feat
What is the use of throws keyword ? Rather than explicitly catching an exception you can declare in which your method throws the exception. This passes the repsonsibility to h
What are the different messaging paradigms JMS supports? Ans) Publish and Subscribe i.e. pub/suc and Point to Point i.e. p2p.
Write a program that prompts for two people’s birthdays (month and day), along with today’s month and day. The program should figure out how many days remain until each user’s birt
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. */
The more complicated the underlying system, the more critical the inter communication among everyone involved in deploying and developing the software. UML is a software language f
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