code: public void load(File file, String separator) throws IOException, PropertiesException {
  		try (InputStream stream = new FileInputStream(file)){
  			load(stream, separator);
  		}
  	}
docs: Loads the properties from an input file.
  
  @param file
  the input file.
  @param separator
  the separator character.
  @throws IOException
  @throws PropertiesException