code: public static Document parse(File file) throws IOException, SAXException, IllegalArgumentException {
          return parse(file, true);
      }
docs: Parses XML to a W3C Document object with deactivated validation.
  Equivalent to {@link #parse(File, boolean)} with validation on.
  
  @param file XML
  @return Document of XML file.
  @throws IOException              if an IO error occurs
  @throws SAXException             if an error due parsing or validating occurs
  @throws IllegalArgumentException if the argument is somehow invalid