code: private void saveProperties(Properties prop) throws FileNotFoundException, IOException {
  		FileOutputStream fos = new FileOutputStream(getPropertiesFile());
  		try {
  			prop.store(fos, null);
  		} finally {
  			fos.close();
  		}
  	}
docs: Saves the properties file to the local filesystem
  
  @param prop
  @throws FileNotFoundException
  @throws IOException