<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>VoterApp</title>
</head>
<body>
<form action= "vturl" method="get">
<fieldset style="width:20%; background-color:#80ffcc">
<table>
<tr><td>Name</td><td><input type="text" name="name"></td></tr>
<tr><td>Age</td><td><input type="text" name="age"></td></tr>
<tr><td></td><td><input type = "submit" value="check voting eligibility"></td></tr>
</table>
</fieldset>
</form>
</body>
</html>
import java.io.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class VoterSrv extends HttpServlet
{
public void service(HttpServletRequest req, HttpServletResponse res) throws IOException,ServletException
{
//set response content type
res.setContentType("text/html");
//get printWrite obj
PrintWriter pw = res.getWriter();
//read form data from page as request parameter
String name = req.getParameter("name");
int age = Integer.parseInt(req.getParameter("age"));
if (age>=18)
{
pw.println("<font color='green' size='4'>"+name+" you are eligible to vote</font>");
}
else
pw.println("<font color='red' size='4'>"+name+" you are not eligible to vote</font>");
//add hyperlink to dynamic page
pw.println("<br><br><a href= 'index.html'>Home</a>");
//close the stream
pw.close();
}
}
<web-app>
<servlet>
<servlet-name>abc</servlet-name>
<servlet-class>VoterSrv</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>abc</servlet-name>
<url-pattern>/vturl</url-pattern>
</servlet-mapping>
</web-app>
