public static ArrayList<String> getHashMap2(HashMap<String, Integer> hm) {
		ArrayList<String> a = new ArrayList<String>();
		Set s = hm.entrySet();
		Iterator it = s.iterator();
		while (it.hasNext()) {
			Map.Entry m = (Map.Entry) it.next();
			a.add(m.getKey() + "\t" + m.getValue());
		}
		return a;
	}