Writing files

  @Scheduled(fixedRate = 5000)
    public void doSomething() throws Exception {
        log.info("Scheduled task run...");
        File resource = new ClassPathResource("static/index.html").getFile();
        String time = String.valueOf(Instant.now().toEpochMilli());
        StringBuilder sb = new StringBuilder();
        sb.append("<p>");
        sb.append(time);

        Files.write(resource.toPath(), sb.toString().getBytes());

     }