GenericServlet is for servlets that might not use HTTP, like for instance FTP service.As of only Http is implemented completely in HttpServlet. The GenericServlet has a service() method that gets called when a client request is made. This means that it gets called by both incoming requests and the HTTP requests are given to the servlet as they are.[qu]What are the differences between GET and POST service...

biswal_24

 Profile Answers by biswal_24 Questions by biswal_24

• Nov 13th, 2006

If we use Genric then the service() is required to be overridden but in case of Http Servlet it is already there and no need to override.

Arun Kumar

• Sep 14th, 2006

GenericServlet is a class in javax.servlet package which implements the Servlet interface.This class is independant of the protocol.HttpServlet is a class in javax.servlet.Http package which extends the GenericServlet class.All Http servlets must extend the HttpServlet class.

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Chowdary

• Dec 1st, 2006

It depending upon technologies ur using..

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Rajkumar

• Dec 19th, 2006

Directive tags provides the translation time instructions to the jsp engine.whereas action tags provides the run time instructions to the JSP Engine.

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vijaya

• Dec 25th, 2006

if counter is ment to count the number of user using this class...then isThreadSafe must be set to true else false

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ratna

• Dec 29th, 2006

first u check whether u set Classpath pointing to a .jar file supplied by the oracle.

spiderram

• Nov 23rd, 2006

i think it's becoz of the class path setting hav u set the class path for the oracle dirver let's check dat may be it will work

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Srinivasan

• Dec 29th, 2006

Custom tag is used to design  our own tag using taglib directive.JavaBean used to define  a  core java manipulation.Initialization the data using setter and getter method.

delindia fathima

• Dec 7th, 2006

Javabeans are used for encapsulating data management logic(ie., used for storage)whereas customtags are used for computational logic related to particular request.Tags are thread safe,beans are not.It...

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The element forwards the requestobject containing the client request information fromone JSP file to another file. The target file can bean HTML file, another JSP file, or a servlet, as longas it is in the same application context as theforwarding JSP file. sendRedirect sends HTTP temporary redirect response tothe browser, and browser creates a new request to gothe redirected page. The response.sendRedirect...

Sunil Kumar Yadav

• Jan 4th, 2007

The first executes on server side and second executes on client side.

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Dhiraj Kumar

• Jan 5th, 2007

The value of combobox is changed when a user comes back after clicking the back button of internet explorer. There is a property named PostBack of all web components. when the user clicks on back button it calls the postback property of component and it refresh the connection or page.

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Vikas Singh

• Jan 10th, 2007

MyEclipse is the best IDE for java and j2ee.....bcoz its take less amount of time and by using this we can increase the performance.

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Vikas Singh

• Jan 10th, 2007

When we send a request to the java server page:-1. If a servlet object representing the jsp page is available in the container, the web container execute the servlet.2. If there is no servlet obj...

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vmshenoy

 Profile Answers by vmshenoy Questions by vmshenoy

• Jan 10th, 2007

Hi vikas this is a good explaination!Thanks for  solving my query!bye

Vikas Singh

• Jan 10th, 2007

Hi vmshenoy,Sevlets are slighty faster than JSP...Ultiamtily a "JSP" will be converted as a sevlets by the "JSPC". A JSP Compiler(JSPC) uses a set of rule for genrating the servlet code, so the J...

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Vikas Singh

• Jan 10th, 2007

By using presentation logic in jsp, we can call the setters and getters methods of java been (i.e. call business logic)..

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Vikas Singh

• Jan 10th, 2007

A JSP page specifies the error page with the page directive and errorPage attribute. When an unhandled exception occurs, any unflushed output in the output stream is discarded and the error page is im...

Vikas Singh

• Jan 10th, 2007

-->Runtime exceptions are easy to handle in a JSP application, because they are stored one at a time in the implicit object named exception. You can use the exception object in a special type of JSP p...

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vmshenoy

 Profile Answers by vmshenoy Questions by vmshenoy

• Jan 12th, 2007

I would like to add somemore Applocation server :  ColdFusion,WebObjects,WebSphere ,Tango 2000 ,Net DynamicsWebserver - U can also use Javawebserver2.0

Vikas Singh

• Jan 10th, 2007

Application sever - weblogic, websphere, Oracle Application server, sunone server etc.web server - Tomcat, weblogic - In case of weblogic, we must place "war" file under 'web-apps' directory.Tomc...

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JSP actions are XML tags that direct theserver to use existing components or control thebehavior of the JSP engine. JSP Actions consist of atypical (XML-based) prefix of "jsp" followed by acolon, followed by the action name followed by one ormore attribute parameters.There are six JSP Actions:

sudhakarchowdary

 Profile Answers by sudhakarchowdary Questions by sudhakarchowdary

• Jan 17th, 2007

JSP actions are use to constructs in XML syntax to control the behavior of the servlet engine. You can dynamically insert a file, reuse JavaBeans components, forward the user to another page, or gener...

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sudhakarchowdary

 Profile Answers by sudhakarchowdary Questions by sudhakarchowdary

• Jan 17th, 2007

When a java Bean has to be used in a page only ,during the execution of page we must use page scope.

Delindia fathima

• Dec 6th, 2006

When a JSP page needs to save data for its processing, it must specify a location, called the scope. Page scope is used when the data needs to be accessible only within the JSP page and is destroyed when the page has finished generating its output for the request.

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Servlets provide a way to generate dynamic documents that is both easier to write and faster to run. It is efficient, convenient, powerful, portable, secure and inexpensive. Servlets also address the problem of doing server-side programming with platform-specific APIs. they are developed with Java Servlet API, a standard Java extension.

khan.nomanahmed

 Profile Answers by khan.nomanahmed Questions by khan.nomanahmed

• Jan 30th, 2007

Servlets are platform independent.Each request handled by CGI needs a sapreate process With java more than one request can be handled with threads.

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khan.nomanahmed

 Profile Answers by khan.nomanahmed Questions by khan.nomanahmed

• Jan 30th, 2007

Before executing server checks timestamp of the jsp file and previous generated servlet file. If they differs jspc compiler recompiles it.

nitin

• Dec 16th, 2005

First whenever u save your jsp file it will recompile at that time it will create a servlet file .so whenever ur saving a jsp file the jsp engine will create a servlet file.

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Skill/Topic: JSP Life CycleA) jspInit(), jspDestroy(), init() , destroy()B) init(),jspDestroy(),jspInit(),destroy()C) destroy(),jspDestroy(),jspInit(),init()D) init(),destroy(),jspInit(), jspDestroy()

sunil

• Feb 8th, 2007

Answer is A

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Shiv

• Feb 18th, 2007

We cannot implement an interface in a jsp but we can extend a class in JSP by using  extends attribute of the page directive.extends="package.class" The fully qualified name of the supe...

Pchal

• Aug 11th, 2005

You cannot extend any class in JSP because a JSP has no value to it on its own. It will only be useful when converted to a servlet and every servlet has to extend HTTPServlet. In this case HttpJspBase...

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