code: public static void setPropertiesFrom(File propertyFile) throws IOException {
  		final Properties systemProperties = System.getProperties();
  		try (InputStream stream = new FileInputStream(propertyFile)) {
  			systemProperties.load(stream);
  		}
  	}
docs: Set the system property from the content of the file with the given URL. This function is an helper for setting the system
  properties usually accessible with {@link System}.
  
  @param propertyFile the URL from which a stream is opened.
  @throws IOException - if the stream cannot be read.
  @since 2.0.2.0
  @see System#getProperties()
  @see Properties#load(InputStream)