String k= (String) iter.next(); if (k.startsWith(w)) { String path= (String) fMap.get(k);
String path= (String) iter.next(); HashMap words= (HashMap) fMap.get(path); if (words.containsKey(w))
		public void queryPrefix(HashSet results, String w) {			Iterator iter= fMap.keySet().iterator();			while (iter.hasNext()) {				String k= (String) iter.next();				if (k.startsWith(w)) {					String path= (String) fMap.get(k);					results.add(path);				}			}				}	