public Double doubleValue(String key) {String value = responseMap.get(key);if (null == value || 0 == value.length()) {return null;}return Double.valueOf(responseMap.get(key));}

public double? DoubleValue(string key){if (null != DictionaryUtil.Get(ResponseDictionary, key)){return double.Parse(DictionaryUtil.Get(ResponseDictionary, key));}return null;}
