Top 200+ Java J2EE Interview Questions and Answers - 2

Question: 6

What is Web module?

A deployable unit that consists of one or more Web components, other resources and a Web application deployment descriptor contained in a hierarchy of directories and files in a standard Web application format.

Question: 7

What does web module contains?

The web module contains

JSP files

class files for servlets,

GIF and HTML files, and

a Web deployment descriptor.

Web modules are packaged as JAR files with a .war (Web Archive) extension.

Question: 8

What are types of J2EE clients?

Following are the types of J2EE clients:

Applets

Application clients

Java Web start enabled rich clients, provided by Java Web Start technology.

Wireless clients, based on Mobile Information Device Profile (MIDP) technology.

Question: 9

What is J2EE module?

A software unit that consists of one or more J2EE components of the same container type and one deployment descriptor of that type.

There are four types of modules :

EJB

Web

Application client and

Resource adapter.

Modules can be deployed as standalone units or can be assembled into a J2EE application.

Question: 10

What is J2EE product provider?

A vendor that supplies a J2EE product.