newList.add(i, oldList.get(new Integer(shuffle[i]).intValue() - 1));
newList.add(i, oldList.get(new Integer(shuffle[i].trim()).intValue() - 1));
    private List<QuestionOption> shuffleStudentTestQuestionOptions(String[] shuffle,            List<QuestionOption> oldList) {        if (shuffle == null) {            return oldList;        }        List<QuestionOption> newList = new ArrayList<QuestionOption>();        // String[] aux = shuffle.substring(1, shuffle.length() - 1).split(",        // ");        for (int i = 0; i < shuffle.length; i++)            newList.add(i, oldList.get(new Integer(shuffle[i]).intValue() - 1));        return newList;    }