java讀取上傳文件鏈接的內容

 public static void main(String[] args) throws Exception {
        URL url = new URL("文件地址");
        URLConnection connection = url.openConnection();
        InputStream is = connection.getInputStream();
        BufferedReader br = new BufferedReader(new InputStreamReader(is,"UTF-8"));
        String line = null;
        List<String> lines = new ArrayList<>();
        while ((line = br.readLine()) != null) {
            lines.add(line);
        }
        System.out.println(lines.get(0));
    }