Request for review: Demo refresh

[Nils Loodin]

Hello all!
My name is Nils Loodin ,and I work in the swedish SQE team, now under 
Ken chen. I've been working on the refresh demos project (PRD req. no. 
537450)
(Overview here: 
https://sunspace.sfbay.sun.com/display/JAVASE/JDK+7+Demos+Update)

The changes should be pretty trivial. Mostly added annotations, using 
for-each constructs and generics instead of raw types.

Please have a look here:
http://wikifiles.se.oracle.com/qa/nloodin/7029383/webrev.00/

Regards
Nils Loodin