private static void _register (@Nonnull @Nonempty final String sCountryCode, @Nonnull final EContinent... aContinents)
  {
    final Locale aCountry = CountryCache.getInstance ().getCountry (sCountryCode);
    if (s_aMap.containsKey (aCountry))
      throw new IllegalArgumentException ("Country code '" + sCountryCode + "' is already registered!");
    for (final EContinent eContinent : aContinents)
      s_aMap.putSingle (aCountry, eContinent);
  }
private static void _register ( @ Nonnull @ Nonempty final String sCountryCode , @ Nonnull final EContinent ... aContinents ) { final Locale aCountry = CountryCache . getInstance ( ) . getCountry ( sCountryCode ) ; if ( s_aMap . containsKey ( aCountry ) ) throw new IllegalArgumentException ( "Country code '" + sCountryCode + "' is already registered!" ) ; for ( final EContinent eContinent : aContinents ) s_aMap . putSingle ( aCountry , eContinent ) ; }
Register assignment

@param sCountryCode
Country code to be used. May not be <code>null</code> nor empty
@param aContinents
The enum to be used. May not be <code>null</code> but may contain a
single <code>null</code> element.