Untitled

<!DOCTYPE html>
<html>
<head>
<meta charset="ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<form action="Registration" method="post" autocomplete="on">
<fieldset>
<legend>Registration Details:</legend>
First Name &nbsp <input type="text" name="firstname" autofocus> &nbsp Middle name &nbsp <input type="text" name="middlename"> &nbsp Last Name &nbsp <input type="text" name="lastname"><br><br>
Address &nbsp <br> <textarea name="address" rows="2" cols="25"></textarea>
<br><br>
Gender &nbsp <input type="radio" name="gender" value="male"> Male <input type="radio" name="gender" value="female"> Female<br><br>
Mobile No. &nbsp <input type="text" name="mobileno"> <br><br>
Email Id &nbsp <input type="email" name="emailid"> <br><br>
Birth Date &nbsp <input type="date" name="birthday"><br><br>
Username &nbsp <input type="text" name="username"><br><br>
Password &nbsp <input type="password" name="password"><br><br>
<input type="submit" value="Submit">
</fieldset>
</form>
</body>
</html>

import java.io.IOException;
import java.io.PrintWriter;
import java.sql.*;
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 Registration
 */
@WebServlet("/Registration")
public class Registration extends HttpServlet {

    private static final long serialVersionUID = 1L;

    public void service(HttpServletRequest request, HttpServletResponse response)
    {
            }
    /**
     * @see HttpServlet#HttpServlet()
     */
    public Registration() {
        super();
        // TODO Auto-generated constructor stub
    }

    /**
     * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
     */
    public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        // TODO Auto-generated method stub

        //http://localhost:12093
        try {
            String firstname=request.getParameter("firstname");
            PrintWriter print = response.getWriter();
            print.println(firstname);
            Class.forName("com.mysql.jdbc.Driver");
            java.sql.Connection connection;

            connection =  DriverManager.getConnection("jdbc:mysql://localhost:3306/registration","root","rohan");
            PreparedStatement ps=connection.prepareStatement("INSERT INTO reg_details (name) values ('rk');");
            //Statement stmt = connection.createStatement();
        //  ResultSet result = stmt.executeQuery("INSERT INTO reg_details (name) values ('rohan');");
            ps.setString(1, firstname);
            ps.executeUpdate();
//          while(result.next())
//          {
//              PrintWriter print = response.getWriter();
//              print.println(result.getString("name"));
//          }
        } catch (SQLException | ClassNotFoundException e) {
            // TODO Auto-generated catch block
        e.printStackTrace();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }
}