public void dumpToFile(String fileName) {
		FileWriter fWrite = null;
		try {
			fWrite = new FileWriter(fileName);
			Iterator<Map.Entry<String, Integer>> it =
					vocabulario.entrySet().iterator();
			fWrite.write("Número de palabras: " + vocabulario.size() + "\n");
			while(it.hasNext()) {
				Map.Entry<String, Integer> word = it.next();
				fWrite.write("Palabra: " + word.getKey() + "\n");
			}
		} catch (Exception e) {
			
		} finally {
			try {
				if(fWrite != null) {
					fWrite.close();
				}
			} catch (Exception e) {
				
			}
		}
	}