Java Enterprise and Web Technologies

Java IDL supports distributed objects written entirely in the java programming language.

Servlet container provides life cycle management with a single process to share and manage application wide resources and interaction with a web server.

The stateful session bean is used when the bean needs to hold information about the client across method invocations.

It is typically an application domain expert.

Model components provide a model of the business logic or data behind a struts program.

This CORBA service defines how CORBA objects are created, deleted, shifted and copied.

Ajax could have made the user experience more pleasant by providing a more responsive UI and eliminating the flicker of the page refresh.

To support interaction between objects in separate programs, java IDL provides an object request broker.

By using Ajax, one can dynamically update the totals on a shopping cart without forcing the user to click update and waiting for the server to resend the entire page.

 It can combine enterprise beans with other type of application components while composing an application.

 It extends javax.ejb.EJBHome, which in turn extends java.rmi.Remote.

 View components are used to display the information provided by model components.

Session beans will disappear if the server crashes and is restarted.

This EJB architecture role's output is an ejb-jar file that contains one or more enterprise beans.

This EJB architecture role can also combine enterprise beans with other types of application components when composing an application.