code: public int getNumericCode() {
          int result = 0;
          try {
              UResourceBundle bundle = UResourceBundle.getBundleInstance(
                      ICUData.ICU_BASE_NAME,
                      "currencyNumericCodes",
                      ICUResourceBundle.ICU_DATA_CLASS_LOADER);
              UResourceBundle codeMap = bundle.get("codeMap");
              UResourceBundle numCode = codeMap.get(subType);
              result = numCode.getInt();
          } catch (MissingResourceException e) {
              // fall through
          }
          return result;
      }
docs: Returns the ISO 4217 numeric code for this currency object.
  <p>Note: If the ISO 4217 numeric code is not assigned for the currency or
  the currency is unknown, this method returns 0.</p>
  @return The ISO 4217 numeric code of this currency.