RajeshRokkam

• Jun 3rd, 2005

One of the fundamental concepts of Entity Beans is that they are the pooled objects.Instance pooling is the service of the container that allows the container to reuse bean instances,as opposed to cre...

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Jignesh

 Profile Answers by Jignesh Questions by Jignesh

• Oct 31st, 2005

First of all the question is not very clear and specific. But I hope this helps:You call create() method of the home object which in turn calls the ejbCreate() of the bean and as you mentioned that th...

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surajit saha

• Aug 1st, 2006

In weblogic 8.1 the security architecture has been improved by improving the functionality for creating security roles and policies. Version imporved key store and SSL configuration support and adds t...

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Sumit Kumar

• Aug 30th, 2005

A Bean persists by having its properties, fields, and state information saved and restored to and from storage. The mechanism that makes persistence possible is called serialization. When a Bean insta...

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Rajnish Sasmal

• Sep 27th, 2005

You can use two methods like insertRow() and deleteRow() of ejbCreate() for insert and delete the data from the data base in entity Bean.

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Chris Thompson

• Sep 18th, 2005

The primary key is the only way the container has of distinguishing one bean from another. This is particularly important for pooling, where the container uses the primary key to determine if the dat...

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EJBContext is an interface that is implemented by the container, and it is also a part of the bean-container contract. Entity beans use a subclass of EJBContext called EntityContext. Session beans use a subclass called SessionContext. These EJBContext objects provide the bean class with information about its container, the client using the bean and the bean itself. They also provide other functions....

santh kumar

• Feb 28th, 2006

Hi Guys,EJBContext interface provides methods for interacting with the container.Such as u can obtain the enterprise bean's remote home interface(getEJBHome() method),local home interface(getEJBLocalH...

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suman

• Mar 25th, 2006

 yes u can do it .but you have to mention  the transaction attribute in the Deploymant descriptor<trans-attribute>Required</trans-attribute>

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bala

• Feb 10th, 2006

      the default state of a session bean is " STATELESS"

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Vinoth Senthill M G

• Mar 6th, 2006

1. A Message Driven Bean (MDB) is an Enterprise JavaBean (EJB) similar to a session bean, except it responds to a JMS message rather than an RMI event. 2.MDBs were introduced in the EJB 2.0 specificat...

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K N

• Feb 22nd, 2006

Http://e-docs.bea.com/wls/docs81/jdbc/thirdparty.html#thirdparty001

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Jack

• Feb 28th, 2006

Current version right Now is EJB3.0[Jan 2006]EJB 3.0 FeaturesSession Beans ---------------POJO bean class - No requirement for implementing javax.ejb.SessionBean interfaces POJI interface - No require...

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suman

• Mar 25th, 2006

Yes u can do it by serrting SetRollbackonly in your DD

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rkj2ee2005

 Profile Answers by rkj2ee2005 Questions by rkj2ee2005

• Mar 25th, 2006

It is used for transaction support in stateful session beans. EJB container calls call back functions on sfsb (if it implements SessionSynchronization interface) after transaction started, before completion and after completion.Bean developer can do house keeping stuff in these methods.

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srikanth

• Nov 2nd, 2006

         Hi,        if user transaction is started on one method and populates across the methods it is possible only on statefull...

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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

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Preeti Yadav

 Profile Answers by Preeti Yadav Questions by Preeti Yadav

• Apr 24th, 2006

Java.util.Dictionary

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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 ...

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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.

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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...

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