else { return null; }
else { System.out.println("guestname "+paramName+" not free");return null; }
    public synchronized User loginGuest(String paramName) {        System.out.println(paramName);        System.out.println(this.getFromUserListByName(paramName));        if (this.getFromUserListByName(paramName) == null) {            User tmpUser = new User(paramName, "guest", true, false, this.channelAdministration.getFreeForGuestList(),this);            tmpUser.setLoggedIn(true);            this.userList.addElement(tmpUser);            return tmpUser;        }        else { return null; }    }