<h1>Login Example!</h1>
    USER NAME <input  name="uname" type="text"/> <br> <br>
    PASSWORD  <input name="pwd" type="text"/><br> <br>
    <input name="Login" type="submit" value="LOGIN"/>
    </form>
</body>

2.GetDetails.java

import java.io.IOException; import java.io.PrintWriter; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse;

/** * * @author vanchinathan */ public class GetDetails extends HttpServlet{ @Override protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

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

    PrintWriter out = response.getWriter();

    //creating object for database class

    DBClass dbobj = new DBClass();

    String username = request.getParameter("uname");
    String password = request.getParameter(("pwd"));
    try {
        dbobj.check(username,password);

        }
    catch (Exception e)
    {
        out.print(e);
    }
    finally {
        out.close();
    }
    //processRequest(request, response);
} 

@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
    //processRequest(request, response);
}

@Override
public String getServletInfo() {
    return "Short description";
}// </editor-fold>

}

3.DBClass.java

import java.io.*; import java.sql.*; public class DBClass {

Connection con=null;
ResultSet rs=null;
Statement stmt=null;
String uName,pwd;

   public void check(String username,String password)throws ClassNotFoundException,SQLException
   {     
      Class.forName("com.mysql.jdbc.Driver");
      con=DriverManager.getConnection("jdbc:mysql://localhost:3306/BankDB","root","ims");
      stmt=con.createStatement();
      String query="select * from login";
      rs=stmt.executeQuery(query);
      //boolean Records=rs.next();
      while(rs.next())
      {    
      if((username.equals(rs.getString(1))) &&  (password.equals(rs.getString(2))))
              {
                  System.out.print("success");
              }
      else{
            System.out.print("try with correct username and password");
          }
      }
   }

}