Sorting hashmap by values
HashMap<Integer,String> map = new HashMap<Integer,String>();
    map.put("1",froyo);
    map.put("2",abby);
    map.put("3",denver);
    map.put("4",frost);
    map.put("5",daisy);

2,abby;
5,daisy;
3,denver;
4,frost;
1,froyo;

public LinkedHashMap sortHashMapByValuesD(HashMap passedMap) {
   List mapKeys = new ArrayList(passedMap.keySet());
   List mapValues = new ArrayList(passedMap.values());
   Collections.sort(mapValues);
   Collections.sort(mapKeys);

   LinkedHashMap sortedMap =
       new LinkedHashMap();

   Iterator valueIt = mapValues.iterator();
   while (valueIt.hasNext()) {
       Object val = valueIt.next();
    Iterator keyIt = mapKeys.iterator();

    while (keyIt.hasNext()) {
        Object key = keyIt.next();
        String comp1 = passedMap.get(key).toString();
        String comp2 = val.toString();

        if (comp1.equals(comp2)){
            passedMap.remove(key);
            mapKeys.remove(key);
            sortedMap.put((String)key, (Double)val);
            break;
        }

    }

}
return sortedMap;