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Servlets Tutorial

A Servlet is basically a Java Program that executes within a Web server or an Application Server, acting as a middle layer between requests sent from a web client and a database on the HTTP server. By use of Servlets, you can dynamically come up with web pages, obtain information from users through web forms and display records from a database.


Servlets Overview

A servlet is a Java program that runs on a Web server. It is similar to an applet, but is processed on the server rather than a client's machine. Servlets are often run when the user clicks a link, submits a form, or performs another type of action on a website...


Servlets important Concepts

Servlets are Java objects that implement the javax.servlet.Servlet interface. They are loaded by a servlet server such as Tomcat, Jetty, Resin, or BEA's WebLogic (to name but a few) which maps them to some location on the web server's web space. Any web access to that address ...


Installing Apache Tomcat 6.X In Windows

Tomcat is java based web server, support jsp ,servlet, and java application. Tomcat need java environment to execute jsp and servlet or java class files. This needs to be JVM installed on server or machine, before running Tomcat...


Configuration of Tomcat in eclipse

First, launch the Eclipse IDE. For running JSP application in eclipse we need to configure server in eclipse. Here i am going to tell you how to configure tomcat server in eclipse.Follow the steps mentioned bellow to configure tomcat in eclipse...


Directory Structure Of Java Web Application

The root directory of you web application can have any name. In the above example the root directory name is mywebapp.Under the root directory, you can put all files that should be accessible in your web application...


Servlets Basic Example

Navigate to webapps directory of Tomcat and create the following directory structure for demo application. Any directory placed with required structure of Java EE web application is treated as a web application by Tomcat.Create a folder inside webapp directory of tomcat and ...


How To Create a Servlet using Eclipse And Tomcat

This tutorial explains you, how to develop, deploy and run Servlet in Tomcat using Eclipse IDE.To create a Servlet we need to create a new "Dynamic Web project" which can be done by clicking on File menu -> New -> Dynamic Web Project...


Servlet Example In Java With Database Connection

In this article We will develop a web application in which User can register and then login to the application.We used Eclipse IDE for Java EE Developers which includes tools for creating Java EE and Web applications...


Getting Init Parameter Names in Servlet

In this example we are going to retreive the init paramater values which we have configured in the web.xml file.The example given will help you to get the parameter values which are given into the web.xml file. Whenever a servlet is deployed on server,after starting the server deployment descriptor file...


Passing Parameter Using Html Form

The parameters are the way in which a user can send information to the Http Server. For example, in a login screen, we need to send to the server, the user and the password so that it validates them.To implement this requirement we have to make one html form which will have two fields named as username...


SendRedirect in servlet

In send Redirect whenever the client makes any request it goes to the container, there the container decides whether the concerned servlet can handle the request or not. If not then the servlet decides that the request can be handle by other servlet or jsp or html...


Session Management in Java

HTTP is a stateless protocol,each request is new for server.When there is a series of continuous request and response from a same client to a server, the server cannot identify from which client it is getting requests.But sometimes in web applications...


Introduction to Session Management using Cookies

HTTP is a stateless protocol,each request is new for server.When there is a series of continuous request and response from a same client to a server, the server cannot identify from which client it is getting requests.But sometimes in web applications...



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