public void login(String userName, char[] password) {
this.userName = userName;
this.password = new String(password);
UserFileReader userFileReader = new UserFileReader();
User user = userFileReader.readUser(userName);
if (user == null) {
int choice = JOptionPane.showConfirmDialog(null,
"User does not exist, create new account?", "User not found",
JOptionPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE, null);