java sort arraylist of arraylist

Collections.sort(testList);
Collections.reverse(testList);

ArrayList<ArrayList<String>> yourList = ...
Collections.sort(yourList, new Comparator<ArrayList<String>>() {
    @Override
    public int compare(ArrayList<String> one, ArrayList<String> two) {
        return one.get(1).compareTo(two.get(1));
    }
});