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

    response.setContentType("text/html");
    PrintWriter out=response.getWriter();

    String username=request.getParameter("username");
    String password=request.getParameter("password");


    if(LoginDao.validate(username, password))
    {
        out.print("you are successfully logged in!");
        //request.getSession().setAttribute("login", "true");




}

    else
    {
        out.print("Sorry, username or password error");

    }

}

Class.forName("com.mysql.jdbc.Driver");
         conn = DriverManager.getConnection(DB_URL,USER,PASS);
         ps=conn.prepareStatement("select * from verify where username=? and password=? ");



        ps.setString(1,username);
        ps.setString(2,password);
        //ps.setString(3,"yes");
        ResultSet rs=ps.executeQuery();


        if(rs.next())
        {
            status=true;
        }


    }catch(Exception e)
    {
        System.out.println(e);
        }

    return status;
}