EJB Architecture Questions and Answers

EJB architecture - The EJB architecture is an extension of Web architecture. It has an additional tier..
Services that the EJB container offers - Component Pooling : An EJB component is a server component that provides methods with business logic in distributed applications...
Difference between EJB and Java beans - Java Beans: Java beans are reusable components that can be used for customized user objects....
New in the EJB 2.0 specification - The following are the differences specified by Sun in EJB 2.0 Local interfaces, which improve the efficiency of intra-container entity relationships..
Difference between EAR, JAR and WAR file - .jar files: These files have .jar extension. A .jar file contains .class files, resources like .java and property files...
What is EJB client JAR file? - EJB client JAR file: This file is used for client projects. This file includes the .class files of the client.....
What is Deployment descriptor? - A deployment descriptor is a configuration file for a web application or EJB application which is to be deployed to web or EJB container....
How EJB Invocation happens? - The following are the invocation steps for EJB: Step 1: Using JNDI, retrieve Home Object reference from Naming Service...