J2EE Interview questions and answers

161. What is JNDI 

Abbreviate of Java Naming and Directory Interface. 

162. What is JSP 

Abbreviate of JavaServer Pages. 


163. What is JSP action 

A JSP element that can act on implicit objects and
other server-side objects or can define new scripting
variables. Actions follow the XML syntax for elements,
with a start tag, a body, and an end tag; if the body
is empty it can also use the empty tag syntax. The tag
must use a prefix. There are standard and custom
actions. 

164. What is JSP container 

A container that provides the same services as a
servlet container and an engine that interprets and
processes JSP pages into a servlet. 

165. What is JSP container, distributed 

A JSP container that can run a Web application that is
tagged as distributable and is spread across multiple
Java virtual machines that might be running on
different hosts. 



167. What is JSP custom action 

A user-defined action described in a portable manner
by a tag library descriptor and imported into a JSP
page by a taglib directive. Custom actions are used to
encapsulate recurring tasks in writing JSP pages. 



168. What is JSP custom tag 

A tag that references a JSP custom action. 

169. What is JSP declaration 

A JSP scripting element that declares methods,
variables, or both in a JSP page. 

170. What is JSP directive 

A JSP element that gives an instruction to the JSP
container and is interpreted at translation time.