C:apache-tomcat-7.0.34webappsSmartPortablesWEB-INFclasses>javac CreateNewUs
er.java
CreateNewUser.java:25: error: cannot find symbol
                        Map<String,Userone> map = null;
                                   ^
  symbol:   class Userone
  location: class CreateNewUser
CreateNewUser.java:29: error: cannot find symbol
                        map = (HashMap<String,Userone>) oi.readObject();
                                              ^
  symbol:   class Userone
  location: class CreateNewUser
CreateNewUser.java:34: error: cannot find symbol
                                Map<String,Userone> userMap = new HashMap<String
,Userone>();
                                           ^
  symbol:   class Userone
  location: class CreateNewUser
CreateNewUser.java:34: error: cannot find symbol
                                Map<String,Userone> userMap = new HashMap<String
,Userone>();

 ^
  symbol:   class Userone
  location: class CreateNewUser
CreateNewUser.java:44: error: cannot find symbol
                        map = (Map<String,Userone>) oi.readObject();
                                          ^
  symbol:   class Userone
  location: class CreateNewUser
CreateNewUser.java:50: error: cannot find symbol
                                Userone users = map.get(email);
                                ^
  symbol:   class Userone
  location: class CreateNewUser
CreateNewUser.java:60: error: cannot find symbol
                                Userone user = new Userone();
                                ^
  symbol:   class Userone
  location: class CreateNewUser
CreateNewUser.java:60: error: cannot find symbol
                                Userone user = new Userone();
                                                   ^
  symbol:   class Userone
  location: class CreateNewUser
Note: CreateNewUser.java uses unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
8 errors

import java.io.*;
import java.util.*;
import javax.servlet.http.*;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import java.util.HashMap;
import javax.servlet.*;

public class CreateNewUser extends HttpServlet {


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

        try{
            String firstName = request.getParameter("first_name");
            String lastName = request.getParameter("last_name");
            String email = request.getParameter("email");
            String password = request.getParameter("password");
            String usertype = request.getParameter("user_type");



            HttpSession session=request.getSession(false);

            Map<String,Userone> map = null;
            try{
                FileInputStream fi = new FileInputStream("userInfoMap.ser");
                ObjectInputStream oi = new ObjectInputStream(fi);
                map = (HashMap<String,Userone>) oi.readObject();
                oi.close();
                fi.close();
            }
            catch(FileNotFoundException e){
                Map<String,Userone> userMap = new HashMap<String,Userone>();
                FileOutputStream fos = new FileOutputStream("userInfoMap.ser");
                ObjectOutputStream oos = new ObjectOutputStream(fos);
                oos.writeObject(userMap);
                oos.flush();
                oos.close();
                fos.close();

                FileInputStream fi = new FileInputStream("userInfoMap.ser");
                ObjectInputStream oi = new ObjectInputStream(fi);
                map = (Map<String,Userone>) oi.readObject();
                oi.close();
                fi.close();
            }


                Userone users = map.get(email);
                if(users!=null){
                    if(session==null){
                         response.sendRedirect(request.getContextPath()+"/invalidsignup.html");
                    }
                    else{
                        response.sendRedirect(request.getContextPath()+"/invalidadduser.html");
                    }
                }
             else{
                Userone user = new Userone();

                user.setFirstName(firstName);
                user.setLastName(lastName);
                user.setUserId(email);
                user.setPassword(password);
                user.setUserType(usertype);

                map.put(email, user);

            FileOutputStream fos = new FileOutputStream("userInfoMap.ser");
            ObjectOutputStream oos = new ObjectOutputStream(fos);
            oos.writeObject(map);
            oos.flush();
            oos.close();
            fos.close();

            if(session==null){
                session=request.getSession();
                if(usertype.equalsIgnoreCase("Customer")){
                      session.setAttribute("currentUser",email);
                      session.setAttribute("userTypeInfo",usertype);
                      response.sendRedirect(request.getContextPath()+"/login.html");
                }
                else if(usertype.equalsIgnoreCase("Sales Person")){
                        session.setAttribute("currentUser",email);
                        session.setAttribute("userTypeInfo",usertype);
                        response.sendRedirect(request.getContextPath()+"/salesmanlogin.html");
                }
            }
            else{
                response.sendRedirect(request.getContextPath()+"/salesmanlogin.html");
            }

             }

        } catch (Exception e) {
            e.printStackTrace();
        }
    }



}