ANNA UNIVERSITY COMPUTER SCIENCE AND ENGINEERING MATERIALS DOWNLOAD: SIMPLE SERVLET PROGRAM

Friday, May 22, 2015

Aim:

To write a simple servlet program using HTTP in java.

Algorithm:

Create a servlet program using http.
Set classpath where servlet-api.jar file resides.
Compile the servlet program using javac programname.java
Place the class file …\Tomcat 5.5\webapps\ROOT\WEB-INF\classes\ folder.
modify the web.xml file using your servletClassName.
Invoke the class file using http://localhost:8080/servetClassName from your browser

Program:

mailamHome.java

import java.io.*;

import javax.servlet.*;

import javax.servlet.http.*;

public class mailamHome extends HttpServlet

{

public void doGet(HttpServletRequest request, HttpServletResponse response)

throws ServletException,IOException

{

response.setContentType("text/html");

PrintWriter pw = response.getWriter();

pw.println("<html>");

pw.println("<head><title>Hello World</title></title>");

pw.println("<body>");

pw.println("<h1>Mailam College of Engineering</h1>");

pw.println("<h2>An ISO 9001:2000 Certified Institution</h2>");

pw.println("<h3>Affliated to Anna University</h3>");

pw.println("</body></html>");

}

web.xml

<?xml version="1.0" encoding="ISO-8859-1"?>

<!--<!DOCTYPE web-app

PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"

"http://java.sun.com/dtd/web-app_2_3.dtd"> -->

<web-app>

<servlet-name>Mailam</servlet-name>

<servlet-class>mailamHome</servlet-class>

</servlet>

<servlet-mapping>

<servlet-name>Mailam</servlet-name>

<url-pattern>/mailamHome</url-pattern>

</servlet-mapping>

</web-app>