Java string to byte data and byte array to string

BaseToSObj sysBean = DataUtil.getSysBean();
// convert byte array
byte[] bytes = new Gson().toJson(sysBean).getBytes();
String s = Arrays.toString(bytes);
LogUtil.d("s："+ s);
// byte array to string
LogUtil.d("json："+ new String(bytes, StandardCharsets.UTF_8));