kumaresanramu/index.html

## index.html
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>webpage</title>
</head>
<body>
<form method="post" action="register">
        Name:<input type="text" name="user" /><br/>

        Password:<input type="text" name="password" /><br/>
        <input type="submit" value="register" />
        </form>

</body>
</html>

## login.java


import java.io.IOException;
import java.io.PrintWriter;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * Servlet implementation class login
 */
@WebServlet("/login")
public class login extends HttpServlet {
	private static final long serialVersionUID = 1L;


	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

		   response.setContentType("text/html;charset=UTF-8");
	        PrintWriter out = response.getWriter();

	        String name = request.getParameter("user");

	        String pass = request.getParameter("password");
	        try{

	        //loading drivers for mysql
	        Class.forName("com.mysql.jdbc.Driver");

		//creating connection with the database
	          Connection  con=DriverManager.getConnection
	                     ("jdbc:mysql://localhost:3306/kumaresanlogin","root","root");

	        PreparedStatement ps=con.prepareStatement
	                  ("insert into kumaresanlogin.login values(?,?)");

	        ps.setString(1, name);

	        ps.setString(2, pass);
	        int i=ps.executeUpdate();

	          if(i>0)
	          {
	            out.println("You are sucessfully registered");
	          }

	        }
	        catch(Exception se)
	        {
	            se.printStackTrace();
	        }
	}

}

## web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0">
  <display-name>Demo</display-name>
  <welcome-file-list>
    <welcome-file>index.html</welcome-file>

  </welcome-file-list>
   <servlet>
        <servlet-name>register</servlet-name>
        <servlet-class>login</servlet-class>
    </servlet>
    <servlet-mapping>
        <servlet-name>register</servlet-name>
        <url-pattern>/register</url-pattern>
    </servlet-mapping>
</web-app>
	<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
	<html>
	<head>
	<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
	<title>webpage</title>
	</head>
	<body>
	<form method="post" action="register">
	Name:<input type="text" name="user" /><br/>

	Password:<input type="text" name="password" /><br/>
	<input type="submit" value="register" />
	</form>

	</body>
	</html>


	import java.io.IOException;
	import java.io.PrintWriter;
	import java.sql.Connection;
	import java.sql.DriverManager;
	import java.sql.PreparedStatement;

	import javax.servlet.ServletException;
	import javax.servlet.annotation.WebServlet;
	import javax.servlet.http.HttpServlet;
	import javax.servlet.http.HttpServletRequest;
	import javax.servlet.http.HttpServletResponse;

	/**
	* Servlet implementation class login
	*/
	@WebServlet("/login")
	public class login extends HttpServlet {
	private static final long serialVersionUID = 1L;



	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

	response.setContentType("text/html;charset=UTF-8");
	PrintWriter out = response.getWriter();

	String name = request.getParameter("user");

	String pass = request.getParameter("password");
	try{

	//loading drivers for mysql
	Class.forName("com.mysql.jdbc.Driver");

	//creating connection with the database
	Connection con=DriverManager.getConnection
	("jdbc:mysql://localhost:3306/kumaresanlogin","root","root");

	PreparedStatement ps=con.prepareStatement
	("insert into kumaresanlogin.login values(?,?)");

	ps.setString(1, name);

	ps.setString(2, pass);
	int i=ps.executeUpdate();

	if(i>0)
	{
	out.println("You are sucessfully registered");
	}

	}
	catch(Exception se)
	{
	se.printStackTrace();
	}
	}

	}
	<?xml version="1.0" encoding="UTF-8"?>
	<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0">
	<display-name>Demo</display-name>
	<welcome-file-list>
	<welcome-file>index.html</welcome-file>

	</welcome-file-list>
	<servlet>
	<servlet-name>register</servlet-name>
	<servlet-class>login</servlet-class>
	</servlet>
	<servlet-mapping>
	<servlet-name>register</servlet-name>
	<url-pattern>/register</url-pattern>
	</servlet-mapping>
	</web-app>