code: public static void main(final String[] args) throws Exception {
          String propertyFile = System.getProperty("propertyFile");
  
          final Properties properties = new Properties();
          try {
              properties.load(new FileInputStream(propertyFile));
          } catch (IOException ie) {
              ie.printStackTrace();
          }
  
          run(properties);
      }
docs: Main method for running a single evaluation metric.
  
  @param args the arguments.
  @throws Exception see {@link #run(java.util.Properties)}