Untitled

java

package com.servlet;

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

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


 public class Insertion extends HttpServlet
 {


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

	}


	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		String regno=request.getParameter("regno");
		String name=request.getParameter("name");
		String age=request.getParameter("age");
		String gender=request.getParameter("gender");
		PrintWriter out=response.getWriter();
		out.println("sdfad");
		try{
		Class.forName("com.mysql.jdbc.Driver");
			Connection con=DriverManager.getConnection("jdbc:mysql://localhost:3306/std","root","");
			Statement stmt=con.createStatement();

			int a=stmt.executeUpdate("insert into stdinto values('"+regno+"','"+name+"','"+age+"','"+gender+"')");
			out.println("value inserted");
		}
		catch(Exception e)
		{
			out.println("error"+e);
		}
	}
}

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>Insert title here</title>
</head>
<body>
<form action="Insertion" method="post">
<center><h1>student info</h1><br></center>
<center>
<table border="1">
<tr>
<td>REG_NO:</td>
<td><input type="text" name="regno"></td>
</tr>
<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>Gender:</td>
<td><Input type="text" name="gender"> </td>
</tr>
<tr>
<td></td><td><input type="submit" value="submit"></td>
</tr>
</table>
</center>
</form>
</body>
</html>