Locale
Instantiate Locale
new Locale(String language)new Locale(String language, String country)new Locale.Builder().setLanguage("en").setRegion("US").build();
Set Default Locale
Locale.setDefault(localVar)Locale.setDefault(Locale.FORMAT, localVar)Locale.setDefault(Locale.DISPLAY, localVar)
Standardized Language Code
ISO 639-1 (alpha-2) or ISO 639-2 (alpha-3) language code (2 or 3 digit). Seems like the 639-1 language code works better.
Standardized Country Code
ISO 3166 alpha-2 country code OR 3 digit UN M.49 Area Code