A DESCRIPTION OF THE PROBLEM :
The class-level Javadoc contains the following:

The above example, "nu-thai", becomes the extension "u-nu-thai".code

The "code" at the end should be removed.

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
The above example, "nu-thai", becomes the extension "u-nu-thai".
ACTUAL -
The above example, "nu-thai", becomes the extension "u-nu-thai".code

URL OF FAULTY DOCUMENTATION :
http://download.java.net/java/jdk9/docs/api/java/util/Locale.html