Compare2

static Map sortByValue(Map map)  { //Descending! Exchange objects to ascending
        List list = new LinkedList(map.entrySet());
        Collections.sort(list, new Comparator(){
            public int compare(Object o1, Object o2) {
                return ((Comparable) ((Map.Entry) (o2)).getValue())
                        .compareTo(((Map.Entry) (o1)).getValue());
            }
        });

        Map result = new LinkedHashMap();
        for (Iterator it = list.iterator(); it.hasNext();) {
            Map.Entry entry = (Map.Entry)it.next();
            result.put(entry.getKey(), entry.getValue());
        }
        return result;
    }
}