Java homework

Servlet.java

package cst.dave;

import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.*;
import javax.servlet.http.*;

/**
 * Created with IntelliJ IDEA.
 * User: david
 * Date: 12/21/13
 * Time: 6:24 PM
 * To change this template use File | Settings | File Templates.
 */
public class Servlet extends javax.servlet.http.HttpServlet {
    protected void doPost(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) throws javax.servlet.ServletException, IOException {

        String userName = request.getParameter("uname");
        String password = request.getParameter("passwd");

        User user = new User();

        if (!userName.isEmpty() && !password.isEmpty()) {

            HttpSession session = request.getSession(false);

            if (request.getSession().getAttribute("userLogIn") == null) {
                session = request.getSession();
                request.getSession().setAttribute("userLogin", user);
                response.sendRedirect("/info.jsp");
            }

            else
                request.getRequestDispatcher("/login.jsp").forward(request, response);
        }

    }

    protected void doGet(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) throws javax.servlet.ServletException, IOException {

    }
}