@Override
 public Login add(Login login) {
   try {
     FileOutputStream fos = new FileOutputStream("login.txt");
     ObjectOutputStream output = new ObjectOutputStream(fos);
     System.out.println(login.toString());
     output.writeObject(login);
     output.flush();
     output.close();
   } catch (Exception e) {
     System.out.print("Falure to write!");
   }
   return login;
 }