Returns the country/region code for this locale, which should
either be the empty string, an uppercase ISO 3166 2-letter code,
or a UN M.49 3-digit code.
@return The country/region code, or the empty string if none is defined.
@see #getDisplayCountry
Returns the country/region code for this locale, which should either be the empty string, an uppercase ISO 3166 2-letter code, or a UN M.49 3-digit code.
@return The country/region code, or the empty string if none is defined. @see #getDisplayCountry