code: public static UResourceBundle getBundleInstance(ULocale locale) {
          if (locale==null) {
              locale = ULocale.getDefault();
          }
          return getBundleInstance(ICUData.ICU_BASE_NAME, locale.getBaseName(),
                                   ICUResourceBundle.ICU_DATA_CLASS_LOADER, false);
      }
docs: <strong>[icu]</strong> Creates a UResourceBundle for the locale specified, from which users can extract
  resources by using their corresponding keys.
  @param locale  specifies the locale for which we want to open the resource.
  If null the bundle for default locale is opened.
  @return a resource bundle for the given locale