Sort HashMap by VALUE

    public static HashMap<String, String> sortByComparator(Map<String, String> unsortMap) {
        // Convert Map to List
        List<Map.Entry<String, String>> list =
                new LinkedList<Map.Entry<String, String>>(unsortMap.entrySet());
        // Sort list with comparator, to compare the Map values
        Collections.sort
                (list, new Comparator<Map.Entry<String, String>>() {
                    public int compare(Map.Entry<String, String> o1,
                                       Map.Entry<String, String> o2) {
                        return (o1.getValue()).compareTo(o2.getValue());
                    }
                });
        // Convert sorted map back to a Map
        HashMap<String, String> sortedMap = new LinkedHashMap<String, String>();
        for (Iterator<Map.Entry<String, String>> it = list.iterator(); it.hasNext();) {
            Map.Entry<String, String> entry = it.next();
            sortedMap.put(entry.getKey(), entry.getValue());
        }
        return sortedMap;
    }