JAVA 讀檔並 return List

private static List<String> readFileToStringList(String filePath) {

    List<String> returnList = new ArrayList<String>();

    try {

        FileReader fr = new FileReader(filePath);

        BufferedReader br = new BufferedReader(fr);

        String line;

        while ((line = br.readLine()) != null) {

            System.out.println(line);

            returnList.add(line);

        }

    } catch (Exception e) {

        e.printStackTrace();

    }

    return returnList;

}