public void login() {
        String username;
        String password;
        System.out.println("Please type in your username: ");
        username = scan.next();
        System.out.println("Please type in your password: ");
        password = scan.next();
        for (user user : userList) {
            if (user.getUserName().equals(username)) {
                if (user.getPassWord().equals(password)) {

                }
            }
        }

    }