it=suggestionCache.values().iterator();
it=suggestionCache.keySet().iterator();
    private void addToCache(String code, List l){        String c;        Iterator it;        CacheObject obj;        if(suggestionCache.size()>=MAX_CACHED){            it=suggestionCache.values().iterator();            while(it.hasNext()){                if(((CacheObject)it.next()).getRefTime()==0){                    it.remove();                    return;                }            }            it.remove();        }                suggestionCache.put(code,new CacheObject(l));    }