Why does Locale.getDefault().getLanguage() in Android return the display name instead of the language code?

Question

According to the Java reference, Locale.getLanguage() is supposed to return the 2-letters lowercase ISO code of the language (e.g. en), while get

Answer 1

Android is returning the readable names instead of the codes.

Locale.getDefault() has the string. So if you call any prints or Logs on that it'll work... meaning Locale.getDefault().toString() has your locale code.