Answered by Jey on 2005-05-08 11:32:16: CMP means Container Managed Persistence. When we write CMP bean , we dont need to write any JDBC code to connect to Database. The container will take care of connection our enitty beans fields with database. The Container manages the persistence of the bean. Absolutely no database access code is written inside the bean class.  BMP means Bean Managed Persistence....

Kapil

• Aug 5th, 2011

Only Difference that in CMP no need to Write Database Connectivity Code And In BMP no need to Write the Code

Debabrata Sau

• Feb 8th, 2006

CMP means Container Managed Persistence. In case of CMP bean , developers dont need to write any JDBC code to connect to Database. The container will take care of connection our enitty beans...

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Which method is declared in the sessionbean interface?

Ranjith

• Oct 3rd, 2011

EjbActivate
ejbPassivate
ejbRemove
setSessionContext

Andrei VISAN

• Aug 26th, 2011

Create() method is declared in the session bean interface.

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What are the contents of a web module?

Satish gupta

 Profile Answers by Satish gupta Questions by Satish gupta

• Oct 29th, 2011

A small unit of a web resource which can be deploy, can be used in our application is a web module.

for our banking or any other business application J2EE platform is a web module.

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What is the need of EJB?

Satish gupta

 Profile Answers by Satish gupta Questions by Satish gupta

• Oct 29th, 2011

a business application consist of different-different layers like 1) User Interface development 2) Business logics development 3)database operation development EJB is used for Business logics develo...

Abhishek

• Oct 13th, 2011

EJB : It provides another layer where the platform's logic is stored. an EJB server provides functions such as Threading , concurrency , security and memory that(all of them ) is not provided by other container like tomcat so we need a EJB container.

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Satish gupta

 Profile Answers by Satish gupta Questions by Satish gupta

• Oct 29th, 2011

We have to make remote interface using @Remote in an ejb3 application

Satish gupta

 Profile Answers by Satish gupta Questions by Satish gupta

• Oct 29th, 2011

using ejb2 framework application provides the business layer logic's in distributive and secured manner but it is little bit heavy weighted and complex, so to reduce its complexity and to overcome the...

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Why is ejb2.x considered as heavy weight and ejb3.0 is considered as light weight?What you mean by heavy/light weight? How it affects the performance of server?

Srinivas Nalla

• Jan 18th, 2012

EJB 3.0 is not really light-weight. EJB 3.0 differs from its earlier versions in terms of development and NOT performance. Using pojos and annotations, unwanted method implementations and deployment d...

Srinivas Nalla

• Jan 18th, 2012

EJB 3.0 is not really light-weight. EJB 3.0 differs from its earlier versions in terms of development and performance. Using pojos and annotations, unwanted method implementations and deployment descr...

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Sandhya.Kishan

 Profile Answers by Sandhya.Kishan Questions by Sandhya.Kishan

• Jun 22nd, 2012

The Connection Pool Manager is used to establish a connection between two ear files.

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How to make the connection to JMS queue using EJB 3.0, Weblogic 10.3

yogesh chandra

• Dec 27th, 2014

"java Context context = ClientUtility.getInitialContextForClient(); System.out.println("test load.............................2"); QueueConnectionFactory...

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Answered by Jey on 2005-05-08 11:23:41: In J2EE application modules are packaged as EAR, JAR and WAR based on their functionality  JAR: EJB modules which contains enterprise java beans class files and EJB deployment descriptor are packed as JAR files with .jar extenstion WAR Web modules which contains Servlet class files,JSP FIles,supporting files, GIF and HTML files are packaged...

smith

• May 13th, 2016

EAR
All above files(.jar and .war) are packaged as JAR file with .ear ( enterprise archive) extension and deployed into Application Server.

Smith

• May 13th, 2016

In J2EE application modules are packaged as EAR, JAR and WAR based on their functionality JAR: EJB modules which contains enterprise java beans class files and EJB deployment descriptor are packed ...

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imran

• Jan 3rd, 2017

Flat transaction send out requests to different servers and each request is completed before client goes to the next one. Nested transaction allows sub-transactions at the same level to execute concurrently

Ahmed EL-Ghonimy

• Mar 17th, 2016

This question is tricky and wrong because comparing a Transaction Model with a transaction type is not correct. Flat transactions could be local (standard) or global (distributed). If it were straight forward, it would compare between flat and nested transactions.

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