This was the answer Provided by some one... According to Mohan this one is not correct. Please see Mohan's reply below and more in the comments section. ejbRemove() is called for session beans every time the container destroyes the bean. So you can use this method to do the stuff you typically would do in unsetEntityContext(). For entity beans ejbRemove() is only called if the user explicitly...

Madhavikari

 Profile Answers by Madhavikari Questions by Madhavikari

• Apr 20th, 2006

For session beans, there is no need to call the for removing the instace of a bean. If the session is expired automatically the ejb container will remove the instance of the bean.But, for entity beans...

Mohan

• May 21st, 2005

To elaborate typically ejbRemove may be called on a been n number of times during it's life time .. but unsetEntityContext will only be called once on a bean.

Answer Question  Select Best Answer

mailtorkthakur

 Profile Answers by mailtorkthakur Questions by mailtorkthakur

• Apr 20th, 2006

Web server=========As its name dealing with the www. It is just an implementation of HTTP protocol (RFC1945,2616).Application server==============It is a host of separate implementaion of different pr...

Guest

• Apr 20th, 2006

Web server=========As its name dealing with the www. It is just an implementation of HTTP protocol (RFC1945,2616).Application server==============It is a host of separate implementaion of different pr...

Answer Question  Select Best Answer

Atal

• Apr 21st, 2006

On .hbm xml file to define mapping, one bean class and one class for implementing all the services fot the objet.

chandra sekhar

• Apr 21st, 2006

Hibernate.cfg.xml

Answer Question  Select Best Answer

prashanth

• Apr 22nd, 2006

The data will propagate from DAO's to the view(i.e jsp) using Value objects. Value objects are used for transfering data across the layers.

mohanaiahp

• Apr 19th, 2006

hi  How the data will propagate from DAO's to the view...Thanks & RegardsP.Mohan

Answer Question  Select Best Answer

Preeti Yadav

 Profile Answers by Preeti Yadav Questions by Preeti Yadav

• Apr 24th, 2006

Java.util.Dictionary

Answer Question  Select Best Answer

ankit249

 Profile Answers by ankit249 Questions by ankit249

• Apr 24th, 2006

Can you explain it with an example ?

p_shunmugaraja@yahoo.com

• Mar 24th, 2006

The thing is that a server can contain n number of containers.Whenever a client initiates for a request, it ll go to the server first , and then the server may decide to which con...

Answer Question  Select Best Answer

st

• Apr 24th, 2006

Servlet tunneling means when one request from a servlet is passed to another servlet in order to achieve an application objective it is called servlet tunneling.Its called tunneling as the request passes through more than 1 servlets.Rgds.

rambha19

 Profile Answers by rambha19 Questions by rambha19

• Oct 22nd, 2005

   Passing of object is not possible through HTML.The object should implement Serializable,then onlt the object can pass from client to server via Firewall is called servlet tunneling...subprotocol running inside a protocol is called Servlet tunneling...srinivas......

Answer Question  Select Best Answer

manashis

• Apr 25th, 2006

Static block is a  group of statements enclosed in curly braces and a prefix keyword static is used before that block. this peice of code are executed once in its life time.

Answer Question  Select Best Answer

javakiran

 Profile Answers by javakiran Questions by javakiran

• Apr 25th, 2006

JSP vs Servlet1) Servlet is pure java codes, which is used to extend the web server by providing dynamic codes. Inorder to write those codes, we require a strong background in JAVA programming2) If ou...

stephen

• Oct 3rd, 2005

  servlet:          we cant divide business logic from presentation logic .so it increases the project operation cost.   jsp:   &n...

Answer Question  Select Best Answer

PROSENJIT DAS

• Apr 27th, 2006

Java was designed to not only be cross-platform in source form like C, but also in compiled binary form. Since this is frankly impossible across processor architectures Java is compiled to an intermed...

Answer Question  Select Best Answer

dhanush

• May 1st, 2006

Synchronised block is a thread safe,where as a normal block is not thread safe.only one thread at atime can access a synchronised blockbut not for a normal block

Answer Question  Select Best Answer

Nitesh

• May 6th, 2006

It's totally dependent on condition. When there is a situation that we have to provide the partial implementation of some or all the method of a Object then One should go towards Abstract class. When ...

Answer Question  Select Best Answer

EDESIA

• May 9th, 2006

What is a primary key in tables used in data entry?

Sailaja

• Sep 20th, 2005

Primary key class has to meet the following requirements?         The access control modifier of the class is public. ?       ...

Answer Question  Select Best Answer

mailtorkthakur

 Profile Answers by mailtorkthakur Questions by mailtorkthakur

• May 12th, 2006

You can use delete_statement :: = delete_clause [where_clause]The delete clauses determine the type of the entities to be deleted. The WHERE clause may be used to restrict the scope of the delete operation

Answer Question  Select Best Answer

tejaswee

 Profile Answers by tejaswee Questions by tejaswee

• May 16th, 2006

Dear,  Both of them are java solution for distributed computing. RMI offers remote access to an object running in another JVM and no other services. But EJB offers far more services tha...

Answer Question  Select Best Answer

tejaswee

 Profile Answers by tejaswee Questions by tejaswee

• May 16th, 2006

Dear, Remember EJB is an API for distributed computing, it can be accessed form different client (CORBA, Thick Clients like Swings or stand alone Java programms etc..), including Servlets or JSP (Thin...

Answer Question  Select Best Answer

moulali

• May 19th, 2006

Hi  Sadasivarao    Without using entity beans we can do database transactions through Springs .Spring can be used to configure declarative transaction management, remote access to ...

Answer Question  Select Best Answer

selva_mca1980

 Profile Answers by selva_mca1980 Questions by selva_mca1980

• May 19th, 2006

Go to reffer ejb2.0 book

mailtorkthakur

 Profile Answers by mailtorkthakur Questions by mailtorkthakur

• May 12th, 2006

EJB2.1=> create a method which may return a collection/List. => Implement EJB-QL perform query based on your paramenter and return resultEJB3.0=> Use nammed Query

Answer Question  Select Best Answer

krishna_darl

 Profile Answers by krishna_darl Questions by krishna_darl

• May 21st, 2006

CMP means container takes care fo all the database access code synchronization, including adding and deleting entities(records/rows in the database)BMP means you write the database access code(the JDBC statements) , for when the container tells you its time to go to the database.

RajeshRokkam

• Jun 2nd, 2005

CMP::  Advantages: 1)Easy to develop and maintain. 2)Relationships can be maintained between different entities. 3)Optimization of SQL code will be done. 4)Larger and mor...

Answer Question  Select Best Answer

srini

• May 22nd, 2006

the methods in the super interface autometically comes into extended interface like inheritance

Answer Question  Select Best Answer