code: private static String getVersionFromVerFile() throws IOException {
          //declared in a try-with-resource statement, it will be closed regardless of it completes normally or not
          try (BufferedReader br = new BufferedReader(new InputStreamReader(DoradusServer.class.getResourceAsStream("/" + VERSION_FILE), "UTF-8"))) {
              return br.readLine();
          }
  
      }
docs: Get version from local file