Why does the code in java.util.concurrent look so different than that in an academic paper

How much would you be willing to pay to pick Doug Lea's brain for an hour or two?

No need to name your price, now you can have it for free, just watch this video and you'll start to understand many of the design decisions that went into the creation of java.util.concurrent

http://www.youtube.com/watch?v=sq0MX3fHkro

This is really juicy stuff, particularly near the end... the randomization stuff just blew me away  :-O



 The whole video runs for 1h, but in fact it takes about 2h to watch because of the complexity of the topics covered (we had to rewind several times to understand certain details).