1. CountDownLatch的使用
http://zapldy.iteye.com/blog/746458
http://software.intel.com/zh-cn/blogs/2013/10/15/java-countdownlatchcyclicbarrier
http://blackgu.blogbus.com/logs/69596661.html
2. CyclicBarrier的使用
http://blackgu.blogbus.com/logs/69596661.html
http://software.intel.com/zh-cn/blogs/2013/10/15/java-countdownlatchcyclicbarrier
http://www.cnblogs.com/techyc/archive/2013/03/13/2957059.html