public static void main(String[] args) throws IOException {
    File file = new File("src" + File.separatorChar + "GarageTotals.txt");

    TextFormatStrategy format = new GarageTotalsFormatter();
    FileService fs = new FileService(new TextReader(format), new TextWriter(format));
    List<Map> fileContent = fs.readFile(file);
    System.out.println(fileContent);
    Map<String, String> map = new HashMap<>();
    map.put("Date", LocalDate.now().toString());
    map.put("TotalHours", "193");
    map.put("TotalFees", "1987");
    List<Map> data = new ArrayList();
    data.add(map);
    System.out.println(data.get(0));
    fs.writeToFile(data, file, false);
  }