Comment

priya
hello,
June 27, 2008 at 2:21 PM

hello,
I have this basic question in my mind can you please tell me why we need to use servlets.
can you please describe me one scenario for that.it would be helpful.
View All Comments | View Tutorial
Advertisement
Related Tutorial and Articles
Ajax Questions

session tracking - Ajax
session tracking  explain session tracking with example?  Hi friend, Session tracking is a mechanism that servlets use to maintain state... information about a shopping session, and each subsequent connection can 

Servlet Interview Questions

servlets
and some related classes to support session tracking... package supports the development of servlets that use the HTTP protocol. The classes... javax.servlet.GenericServlet and serves as the base class for HTTP servlets. HttpServlet-Request 

Tomcat Server

Session tracking basics
Session Tracking Basics       Session Tracking Session tracking is a process that servlets use.... In session tracking client first make a request for any servlet, container 

Servlet Interview Questions

session tracking
session tracking  What are the common mechanisms used for session tracking?    Cookies SSL sessions URL- rewriting 

JSP Interview Questions

Session tracking
Session tracking  What are the different ways for session tracking?    Cookies URL rewriting HttpSession Hidden form fields 

JSP Interview Questions

session tracking
session tracking  What are the different ways for session tracking?   Cookies, URL rewriting, HttpSession, Hidden form fields 

JSP Interview Questions

Session tracking
Session tracking  How can I enable session tracking for JSP pages if the browser has disabled cookies?   By default session tracking uses... not support cookies, or if cookies are disabled, you can still use session tracking 

Java Interview Questions

session tracking
session tracking  session tracking is of four type. 1.hidden form field 2.url rewriting 3.http session interface 4.cookies. please explan the third type with example 

Servlet Interview Questions

Session Tracking
Session Tracking  How Session Tracking ?   As we know that the Http is a stateless protocol, means that it can't persist the information.... Session Tracking can be done in three ways: Hidden Form Fields. URL 

Servlet Interview Questions

Session Tracking in servlet - Servlet Interview Questions
Session Tracking in servlet   Hi Friend, Can we use HttpSession for tracking a session or else 1.URL rewritting 2.Hidden Form... ---------------------------------------------------- Visit for more information: http://www.roseindia.net/servlets/ Thanks 

Programming Tutorials

Tracking Session using URL rewriting
Tracking Session using URL rewriting In this section we will discuss about tracking user's session using URL rewriting using a simple example. For tracking sessions, we can use URL rewriting in place of cookies. Since http 

JavaScript Questions

session tracking in jsp
session tracking in jsp  hi... i am creating 3 jsp pages ie. login.jsp,display.jsp,userinput.jsp.. i am able to pass the value from login.jsp to display.jsp using session set attribut ang get attribute.. but same ting 

JSP Servlet Questions

session
session   explain sessioln tracking in jsp and display program 

JSP Servlet Questions

session tracking - JSP-Servlet
  Hi friend, Session tracking is maintain the state of a user...session tracking  hi, i m working on a real estate web site....which i have to submit as final year project. im having problem regarding session 

Servlet Interview Questions

servlets
what are sessions in servlets  what are sessions in servlets   A Session refers to all the request that a single client makes to a server. A session is specific to the user and for each user a new session is created 

Java Beginners

give the code for servlets session
give the code for servlets session  k give the code of total sample examples of servlet session 

Programming Tutorials

Tracking User's Session using Hidden Form Fields
Tracking User's Session using Hidden Form Fields In this Section, We will discuss about tracking user's session using Hidden form field. Hidden Form Field is used to maintain the session. It is one of the method to handle 

Java Beginners

Session creation and tracking
Session creation and tracking  1.Implement the information persistence across servlet destroy or servlet container start/stop. Write a servlet...), it should write the current session start time and its duration in a persistent file 

Servlet Interview Questions

servlets
  The getSession(true) will check whether a session already exists for the user. If yes, it will return that session object else it will create a new session object and return it. While getSession(false) will check existence 

Servlet Interview Questions

servlets
regarding the user usage and habits. Servlets sends cookies to the browser client... the cookie information using the HTTP request headers. When cookie based session.... In this way the session is maintained. Cookie is nothing but a name- value pair 

PHP Questions

Session
Session   hii, What Is a Session?   hello, Sessions are commonly used to store temporary data to allow multiple PHP pages to offer a complete functional transaction for the same visitor 

Servlet Interview Questions

servlets
what is url rewriting  what is url rewriting   It is used to maintain the session. Whenever the browser sends a request then it is always interpreted as a new request because http protocol is a stateless protocol 

JSP Servlet Questions

Session Tracking JSP - JSP-Servlet
Session Tracking JSP  Respected sir/madam, I am R.Ragavendran.. I Immediately need a coding for session tracking in JSP. Actually when the admin clicks "View Users logon status" Yiour coding must display the User Login 

JSP Servlet Questions

session concept - JSP-Servlet
session concept  Hello friends, How can we track unexpectedly closing a window when a jsp project running with session concept. And this tracking should update the log in status in data base 

General

Java Glossary Term - H
;javax.servlet.http" package and is used for the purpose of session tracking while working with servlets. Session tracking is a mechanism that is used..., HTTP request header information, cookies from the request, getting session object 

Enterprise Java

J2EE Tutorial - Session Tracking Example
J2EE Tutorial - Session Tracking Example... to the list and displayed, thereby achieving session-tracking... session-tracking feature. ( A stateless session bean does not retain  

JSP Servlet Questions

Servlet Session Tracking - JSP-Servlet
Servlet Session Tracking  Hi I have made a main page called..."); PrintWriter pw = res.getWriter(); pw.println("Test Session Attributes... == null_ { pw.println("No Session found"); } else 

JSP Servlet Questions

problem without session tracking - JSP-Servlet
problem without session tracking  i want to see the code in which no session tracking has done and that is yielding the problem without session tracking   Hi friend, Please Give in Details to solve the problem 

Core Java

Java httpsession
and is used for the purpose of session tracking while working with servlets. Session tracking is a mechanism that is used to maintain state about a series of requests... some period of time. The session object can be found using getSession() method 

Struts Questions

Hello - Struts
not using jsp & servlets I want to make icon and click icon open fist page 

J2EE

Session Tracking Servlet Example
Session Tracking Servlet Example In this tutorial you will learn how to track session in servlet. Session tracking is required for identifying the client... client or the other when it tries to interact next time to the server. Session 

Servlets

Session Related Interview Questions
; Question: What is Session Tracking? Answer: HTTP is stateless protocol...: What  are different types of Session Tracking? Answer: Mechanism for Session... the user.  Question: Why do u use Session Tracking in HttpServlet? Answer 

Servlets

The Advantages of Servlets
by using the session tracking mechanism which helps them to maintain information from... Advantages of Java Servlets      ... that the servlets are written in java and follow well known standardized APIs so 

JSP Interview Questions

Session tracking in login jsp program - JSP-Interview Questions
Session tracking in login jsp program  I have using jsp technology in my project.I want to do session tracking in my login form.After logout when i press back button it should be show session is expired.Please help me. Send 

Java Beginners

How do servlets work? Instantiation, session variables and multithreading
How do servlets work? Instantiation, session variables and multithreading  How do servlets work? Instantiation, session variables and multithreading 

Servlets

Session Tracking
Session Tracking      .... There the container sees the Id and sends back the request. Session Tracking can be done... the session tracking. As we know by the name, that in this fields are added 

Servlets

Session Tracking
Session Tracking      .... There the container sees the Id and sends back the request. Session Tracking can be done... the session tracking. As we know by the name, that in this fields are added 

Servlet Interview Questions

Servlet-session
Servlet-session  step by step example on session in servlets 

JSP Servlet Questions

session object
session object  how to make session from one servlet to another servlet for an integer variable.   Please visit the following link: http://www.roseindia.net/servlets/SessionAttributeListenerExample.shtml 

Servlet Interview Questions

Session Object
Session Object  Why do we require Session Object?  Hello.... The session object is used by the developers to store and retrieve user's..., java.lang.Object value)- for storing the an object in session. getAttribute 

JSP Servlet Questions

session management
session management  hello, I m doing project completly jsp's .In that jsp only coding and designing,now i m getting a problem that when session timeout some sql statements should execute like to make logout status to true.so 

JSP Servlet Questions

online project tracking system
online project tracking system  hello sir , I chintan patel and my question is as under how to assign project for admin to project manager in jsp servlet project my project name is "online project tracking system " and i am 

Ant Questions

hello
Java Error in Hello World  Java Error in Hello World 

Ant Questions

hello
Java Hello World  HELLO World program in Java 

Java Beginners

Session scope
Session scope  Hii i m java beginner i just started learning java and i just started the topic of session tracking . I want to know about session scopes that is application ,page ,session etc etc and also their uses if possible 

General

EJB Hello world example
EJB Hello world example       Creating and testing the "Hello World" Example is the very first... example we are going to show you, how to create your first hello world example 

JSP Servlet Questions

Session Expire
Session Expire  Hello... i am new in JSP. i use in session.setAttribute and .getAttribute.But when i click on the sign out button i shows that the user is sign out but when i click on back button(chrom back button) it is again 

JSP Servlet Questions

Hello
Hello  Hello sir i want to store upload doc file in ms access by using servlet. Can i store file in access.one another things access only text size is 255 character but my file is up to 2mb how i can store 

JSP Servlet Questions

Hello ..
Hello ..  Hello, I need a code for .. Want to read csv file (which is having name nd mobile number) from jsp and if i give search by name mobile number should get displayed and if i give mobile number name should get 

Java Beginners

hello
character is vowel or not.   Hello Friend, Try the following code 

Java Beginners

hello
there is so many error...please try check it out..   Hello Friend, We have 

Java Interview Questions

hello
 

Java Beginners

hello
 

Java Beginners

hello
 

Ant Questions

hello
 

JSP Servlet Questions

hello
 

Programming Tutorials

Track user's session using 'session' object in JSP
Track user's session using 'session' object in JSP This section is about tracking user identity across different JSP pages using 'session' object. Session Tracking : Session tracking is a mechanism that is used 

Java Beginners

Session in java Swing
Session in java Swing  Hello Sir please tell me that how can i Maintain session in Java Swing 

Java Beginners

Session in java Swing
Session in java Swing  Hello Sir please tell me that how can i Maintain session in Java Swing 

WebSevices Questions

vehicle tracking - WebSevices
vehicle tracking  hello.. My project is to track a vehicle using php. i don know how to start the project bcoz i have not done a web project earlier.Can u guide me by giving some suitable codes 

Servlets

Writing Hello World
Writing Servlet Hello World       We should start understanding the servlets from the beginning. Lets start by making one program which will just print the "Hello 

EJB Tools

J2EE Tutorial - Session Tracking
J2EE Tutorial - Session Tracking    ... is Session-Tracking. HTTP is a stateless protocol. (ie) In a multiform... to be the best solution. Basically, Session-tracking means that any data 

JSP Servlet Questions

servlets execution - JSP-Servlet
servlets execution  the xml file is web.xml file in which the servlet... correctly mention?  Hi Saziya, Hello HelloWorld Hello /HelloWorld 

Java Beginners

servlets - Java Beginners
servlets  Hello! am doin my servlet course at niit, i want know in detail methods of servlets,and where can we implement it i.e. i want to know the examples of the methods used in it. what is getInParameter(); does.please 

Java Beginners

Servlets - Java Beginners
, hello helloWord hello helloWord read for more information, http://www.roseindia.net/servlets/ Thanks Amardeep 

JSP Servlet Questions

servlets - JSP-Servlet
servlets  Hello, I am newbie to servlets. Today, i installed the j2ee sdk. How to compile and run a servlet? i dont wanna use apache or any other server. by defult glssfish eenterprise server was installed along with the j2ee 

JSP Servlet Questions

Servlets - JSP-Servlet
Servlets  Hello Sir, can you give me an example of a serve let program which connects to Microsoft sql server and retrieves data from it and display... visit the following link: http://www.roseindia.net/servlets 

JSP Servlet Questions

session - JSP-Servlet
session  please send me an example code for session tracking using... that the Web server can't easily remember previous transactions.In session tracking.... There are four types of Session Tracking 1.Session 2.Cookies 3.Url-rewriting 

JSP Servlet Questions

cookie and session dependency
cookie and session dependency  Hi, I am currently working on a project in travel domain. Throughout the application, we have not used cookie for session tracking but the case when browser cookie is disabled, session value differs 

Servlet Interview Questions

servlets
servlets  why we are using servlets 

Servlet Interview Questions

servlets
servlets  what is the duties of response object in servlets 

Servlet Interview Questions

servlets
what are advantages of servlets  what are advantages of servlets   Please visit the following link: Advantages Of Servlets 

JSP Servlet Questions

servlets execution - JSP-Servlet
servlets execution  hello friend, thanks for the reply.. the link which u `ve provided contains the hello world program which has got html embedded...-linuxproject.blogspot.com/2007/10/running-servlets-on-windows-xp.html u simply provide path name 

IDE Questions

run servlets using Glassfish V3
run servlets using Glassfish V3  Hello to all, I was wondering how to run servlets using Glassfish V3. I'm using NetBeans 6.7 and need to use servlets, but I don't want to install Tomcat to do so, any suggestions 

JSP Servlet Questions

servlets and jsp - JSP-Servlet
servlets and jsp  HELLO GOOD MORNING, PROCEDURE:HOW TO RUN A SERVLET AND JSP IN COMMANDPROMPT AND ALSO IN NETBEANS IDE6.0,IT'S VERY URGENT FOR ME,IN ADVANCE THANK U VERY MUCH.   TO Run Servlets in Compand 

JSP Servlet Questions

Servlets
Servlets  How to edit and delete a row from the existing table in servlets 

Servlet Interview Questions

servlets
servlets  How do you communicate between the servlets?   We can communicate between servlets by using RequestDespatcher interface and servlet chaining 

Servlet Interview Questions

servlets
what is the architecture of a servlets package  what is the architecture of a servlets package   The javax.servlet package provides interfaces and classes for writing servlets. The Servlet Interface The central 

JSP Servlet Questions

JSP and servlets - JSP-Servlet
JSP and servlets  Hi sir, This is vanisree in my project i need to add the start time of examination and end time of examinaion and if the time between end and start are greater than one hour then i need to close that session 

JSP Servlet Questions

servlets - JSP-Servlet
first onwards i.e., i don't know about reports only i know upto servlets...=request.getParameter("email"); document.add(new Paragraph("Hello... link: http://www.roseindia.net/servlets/index.shtml Thanks 

JSP Servlet Questions

Servlets
Servlets  How to check,whether the user is logged in or not in servlets to disply the home page 

JSP Servlet Questions

java Servlets - JSP-Servlet
java Servlets  Hi i am having a doubt regarding servlets as i am in learning stage give me any clew how to retrive data from mysql database after...?  Hello, tell me one thing that you are writing your html code 

JSP Servlet Questions

Session
Session   how to session maintaining in servlet with use of hidden fieds 

Java Interview Questions

session
session  is there any possibility to call one session from another session 

Java Interview Questions

session
session  is there any possibility to call one session from another session 

Java Interview Questions

Servlets - Java Interview Questions
Servlets  write an application to print "Hello,user name"where Hello is a part of filter and user name is taken inside first servlet.  Hi...("Hello, " + name + ""); } catch(Exception e 

PHP Questions

session
session  Session management in Java 

Development process Questions

Servlets
. Anyways, please visit the following links: http://www.roseindia.net/servlets/introductiontoconfigrationservlet.shtml http://www.roseindia.net/servlets 

Java Interview Questions

servlets
servlets  why we require wrappers in servlets? what are its uses? Please explain   These wrappers classes help you to modify request...://www.roseindia.net/servlets/response-filte.shtml 

JSP Servlet Questions

servlets
servlets  How to open and read the contents of a text file in servlets?   Please visit the following link: Read text file using Servlet 

J2EE

Servlet Session
and also can delete the any session data. Session Tracking How... information here you must have to enable the session tracking by the application...Servlet Session Sometimes it is required to maintain a number of request 

Java Beginners

Session ID - Java Beginners
Session ID  Do we get new session id for a new domain after clicking..., IOException { HttpSession session = req.getSession(true... Session:\n" + "\n" + "\n 

JSP Servlet Questions

servlets
servlets   Hi what is pre initialized servlets, how can we achives?   When servlet container is loaded, all the servlets defined in the web.xml file does not initialized by default. But the container receives 

Servlet Interview Questions

servlets
servlets why do we need web-inf directory in web application  why do we need web-inf directory in web application? means what's the benefits of doing so 

WebSevices Questions

Servlets and
Servlets and   Sir...! I want to insert or delete records form oracle based on the value of confirm box can you please give me the idea.... thanks 

JavaScript Questions

Get values from session to array
Get values from session to array  Hello I have stored my 2 dimensional array into session using C#.net. Now on aspx page i want to store same session variable into 2 dimensional array. And how to find count of session valaiable 

JavaScript Questions

Get values from session to array
Get values from session to array  Hello I have stored my 2 dimensional array into session using C#.net. Now on aspx page i want to store same session variable into 2 dimensional array. And how to find count of session valaiable 

Servlet Interview Questions

servlets
which are the differ ways you can communicat between servlets  which are the differ ways you can communicat between servlets   Different ways of communicating between servlets:- 1)Using RequestDispatcher object. 2 

Servlet Interview Questions

Session
Session  How fined session is new or old 

Servlet Interview Questions

the servlets
what is diff between generic servlets and httpservlets  what is diff between generic servlets and httpservlets   Difference between GenericServlet and HTTPServlet: 1)GenericServlet belongs to javax.servlet package 

Advertisements Advertisements
 

 

 

DMCA.com