code: public static ParameterTool fromPropertiesFile(File file) throws IOException {
  		if (!file.exists()) {
  			throw new FileNotFoundException("Properties file " + file.getAbsolutePath() + " does not exist");
  		}
  		try (FileInputStream fis = new FileInputStream(file)) {
  			return fromPropertiesFile(fis);
  		}
  	}
docs: Returns {@link ParameterTool} for the given {@link Properties} file.
  
  @param file File object to the properties file
  @return A {@link ParameterTool}
  @throws IOException If the file does not exist
  @see Properties