// "[ { "id": ... }, { "id" : ... } ]"
final List<Map> jsonArray = mapper.readValue(Utils.GoogleRespondToJSON(respond), List.class);
for (int i = 0, size = jsonArray.size(); i < size; i++) {
    final Map<String, String> jsonObject = jsonArray.get(i);
    final double l_curr = Double.parseDouble(jsonObject.get("l_cur").replace(",", ""));
    final double c = Double.parseDouble(jsonObject.get("c").replace(",", ""));
}