java puzzlers

今年的Google IO 有一個talk在講Java Puzzlers
http://www.google.com/events/io/2011/sessions/java-puzzlers-scraping-the-bottom-of-the-barrel.html




比較舊的Talk在這
http://video.google.com/videoplay?docid=9214177555401838409#




書的link
http://www.javapuzzlers.com/