Out of curiosity why was this reverted? The motivation seems to be avoiding warnings but the original change was to avoid warnings.
http://svn.apache.org/viewvc/mahout/trunk/examples/src/main/java/org/apache/mahout/classifier/sgd/TrainNewsGroups.java?root=Apache-SVN&r1=1002032&r2=1002033 I don't mind instead removing the CONSTANTS_ARE_CAPS inspection rule (where constants are broadly anything static and final), though that's pretty conventional in Java.
