Remember the rise / fall / rise of java thread a few days back ? Java is discussed on HN. You must have missed the post.
Learn Java in Minutes (73 points, 2 days ago, 50 comments) http://news.ycombinator.com/item?id=5969685
"Practical Artificial Intelligence Programming With Java" by Mark Watson (91 points, 4 days ago | flag | 41 comments) http://news.ycombinator.com/item?id=5963448