Sony V George

• Apr 4th, 2007

Developing an hibernate is as simple as any thing. First of all you have to create Hibernate session factory class. Then create Pojo based on your application then create.Hbm file, do all setting over...

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Sony V George

• Apr 4th, 2007

We are mainly using the design patters for the sepration of physical speration rather than an logical sepration. We can say like BusinessDelegaors, Singleton, session-Facade, DAO(Data Acess Object), s...

padma

• May 18th, 2006

HI, Designpatterns are mainly used for reoccuring solns for a given problemwe had Frontcontroller ,SessionFacade,viewhelper,valueobject (DTO)and DataAcessObject(DAO) designpatterns .

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What is the difference between session entity and message driven beans ? why beans concept is required?

leodonz

• Apr 4th, 2007

Session Bean :- Used to encapsulate the business dataEntity bean :- Represents the shared business dataMessage driven Bean:- Used for Asynchronus Communication

N.N.Ramesh

• Apr 25th, 2006

The difference between Session entity and message driven bean is, the session entity can not stores the information when the system is switched off. while the message driven bean can stores the i...

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What is singleton class? Explain with an example?

Shankar Tayi

• Mar 21st, 2007

Design patterns out of the way, let's look at the singleton. By now, you're probably wondering what a singleton is - isn't jargon terrible? A singleton is an object that cannot be instan...

cgr

• Mar 6th, 2007

To create only one object for a aclass

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deepakvinayak

 Profile Answers by deepakvinayak Questions by deepakvinayak

• Feb 27th, 2007

HiActually I wanted to know one-to-many mappings between person and address. But u have sent . Now I know the answer, which is as :

deepakvinayak

 Profile Answers by deepakvinayak Questions by deepakvinayak

• Feb 27th, 2007

HiActually I wanted to know one-to-many mappings between person and address. but u have sent many-to-one. Now I know the answer which is as :Persistent base class is the base class for all persistent ...

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lhariPrasad

 Profile Answers by lhariPrasad Questions by lhariPrasad

• Feb 23rd, 2007

For ex., if you want to use ibm mq series, place the ibm.zip file into your lib folder and just follow the following steps. 1. set the MQEnvironment.hostname,channel, port2. create an instance of MQQu...

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Of the four Simple API for XML (SAX) interfaces that handle parsing events, which allows custom handling of external entities?A: DocumentHandler B: DTDHandler C: ErrorHandler D: EntityResolver

Sumit Senagr

• Feb 21st, 2007

EntityResolverIf a SAX application needs to implement customized handling for external entities, it must implement this interface and register an instance with the SAX driver using the setEntityResolver method.

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rajkumar

• Feb 21st, 2007

hi                   The Primary difference between res.sendRedirect and rd.forward is.In case of forward...

Praveen

• Aug 11th, 2006

The request scope is maintained in the request.dispatch technique, where as in send.redirect, the request scope is lost.

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Reddy

• Feb 20th, 2007

In doPost() , data is sent in the message body and not in the Request Object

eswaripriya

• Feb 19th, 2007

In doGet() method our details will be pass thro URL.So we have no security.and also for every request there will be a (cookie like )??file allocted(in server side), to store the details abt the clie...

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What is XML and when it will be used in Realtime project? can any one give me example of transfering the data with xml with java?

kiran.pathipaka

 Profile Answers by kiran.pathipaka Questions by kiran.pathipaka

• Feb 15th, 2007

XML is used like java where java is platform independent where as xml is data independent.xml is used in webservices where different platform services can transfor data between them.examplein distr...

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RaghuVeera

• Feb 13th, 2007

For developing larger applications, we have to use IDE's like Eclipse, JBuilder etc. We have various advantages by using Eclipse. (1) It will generate some code automatical...

Sangram

• Jul 13th, 2006

Eclipse is IDE of coursebut it is also full featured platform for Java Developement Also many other languages are also supported and good plugins supportPlugins for anything from embedded systems to  web  developement are available for eclipse.

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suman

• Feb 13th, 2007

HI Santh Kumar, As u said servlets have multiple instances(it is wrong) each servle has one instance only, when a new request comes it does not create an instance but it creates a thread to the request.remaing answer is ok, Thanks

santh kumar

 Profile Answers by santh kumar Questions by santh kumar

• Jan 31st, 2007

It's True that a servlet can process multiple requests at a time.this can be application specific and the server specific. Concerns to Servers : servers can maintain a numorous instances of a serv...

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aravindhan.c

 Profile Answers by aravindhan.c Questions by aravindhan.c

• Feb 10th, 2007

Yes we can write a return statement in a catch followed by finally.The code will compile and run. If we have a statment like return 0 in catch block and return 1 in the finally block then 1 will be returned to the calling method.Otherwise, 0 will be returned.

Preeti Yadav

 Profile Answers by Preeti Yadav Questions by Preeti Yadav

• Apr 12th, 2006

Yes the code will compile, n run also.

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kethireddy sreedharreddy

• Feb 8th, 2007

Spring framework will inject the required object instances into our java bean during the deployment time through ApplicationContext.xml file.This process of injecting objects into java bean is known as dependency injection.

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Rachu

• Feb 1st, 2007

MQ series is an IBM product for middleware. MQ has runtime objects like Queue Managers and Queues. Queue Managers manage lots of objects like Queues, channels etc. Queue is an object that holds messag...

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santh kumar

 Profile Answers by santh kumar Questions by santh kumar

• Jan 31st, 2007

A web service is a collection of protocols and standards used for exchanging data between applications or systems. Software applications written in various programming languages and running on variou...

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addy_addy

• Jan 29th, 2007

J2EE is Java2 platform Enterprise Edition.it is used to develop web based applications

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Avith

 Profile Answers by Avith Questions by Avith

• Jan 28th, 2007

It requires java activation framework

mk pal

• Sep 28th, 2006

java mail API package is needed to write the program for mail in javaAnd also need one mail server for ex. M ServerIt is used POP protocolIn this way? u can establish the connection and make maximum t...

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