Interview2008-08-13
Interview Question: What is difference between EJB 1.1 and EJB 2.0?
The bulk of the changes in EJB 2.0 are found in the definition of a new CMP component model.
Read tutorialAdvertisement
THE TUTORIAL LIBRARY
All tutorials
All topicsJava 386PHP 145VB.net 120C++ 111C 110Interview 108JSP 87Javascript 81Linux 61Ruby 51python 50J2ME 47Struts 47macos 38Asp.net 36Office365 35Trends 33React-Native 33JDBC 31Android 31Certification 29Hibernate 26data-science 20JSF 19Csharp 18MySQL 17Error 14Cocoa 14Perl 13Java Beans 12EJB 12Cloud 11WebServices 10Ajax 7node.js 7HTML5 7iPhone 6Photoshop 5Reviews 5xml 5Git 4Apache 4SAP 3AI 2NoSQL 1ELKStack 1Azure 1
Interview2008-08-13
Interview Question: What is the difference between ejbCreate() and ejbPostCreate?
The purpose of ejbPostCreate() is to perform clean-up database operations after SQL INSERTs (which occur when ejbCreate() is called) when working with CMP entity beans. ejbCreate()
Read tutorialInterview2008-08-13
Interview Question: Why does EJB needs two interfaces(Home and Remote Interface)?
Home Interface is the way to communicate with the container which is responsible for creating , locating and removing beans and Remote Interface is the link to the bean that allows
Read tutorialInterview2008-08-13
Interview Question: What are the optional clauses in EJB QL?
WHERE and ORDERBY clauses are optional in EJB QL where as SELECT and FROM are required clauses.
Read tutorialInterview2008-08-13
Interview Question: Can I invoke Runtime.gc() in an EJB?
You shouldn't. What will happen depends on the implementation, but the call will most likely be ignored.
Read tutorialInterview2008-08-13
Interview Question: What is Remote client view?
The remote client view specification is only available in EJB 2.0. The remote client view of an enterprise bean is location independent. A client running in the same JVM as a bean
Read tutorialAdvertisement
Interview2008-08-13
Interview Question: What is Local client view in EJB?
The local client view specification is only available in EJB 2.0. Unlike the remote client view, the local client view of a bean is location dependent. Local client view access to
Read tutorialInterview2008-08-13
Interview Question: What is EJB client JAR file?
An EJB client JAR file is an optional JAR file that can contain all the class files that a client program needs to use the client view of the enterprise beans that are contained in
Read tutorialInterview2008-08-13
Interview Question: What is Deployment descriptor?
A deployment descriptor is an XML file packaged with the enterprise beans in an EJB JAR file or an EAR file. It contains metadata describing the contents and structure of the enter
Read tutorialInterview2008-08-13
Interview Question: What is EJB container?
An EJB container is a run-time environment that manages one or more enterprise beans.
Read tutorialJava Beans2008-08-13
What is EJB server and what are EJB Components?
An EJB server is a high-level process or application that provides a run-time environment to support the execution of server applications that use enterprise beans. An EJB server p
Read tutorialInterview2008-08-13
Interview Question: Do ActionForms have to be true JavaBeans?
The utilities that Struts uses (Commons-BeanUtils since 1.1) require that ActionForm properties follow the JavaBean patterns for mutators and accessors (get*,set*,is*).
Read tutorialThe future is yours to build.
One example today. A better developer tomorrow.