<form method="post" action ="LoginServlet" >

    <p> USER ID: </p> <input type='text' name='user' />
    <br>
    <p> PASSWORD: </p> <input type='password' name='pass'/>
    <br>
    <input type="submit" value="submit"/>

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

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