The average execution time of each solution (outliers removed) is shown below: As expected, the serial execution is the fastest.

Hey, @softwarebrahma. Thanks for the feedback. AtomicInteger#getAndIncrement () and AtomicInteger#incrementAndGet () are indeed the standard way of using atomic variables. We'll take this to the team ...

The Java Concurrency Utilities are high-level concurrency types that facilitate threading tasks especially on multicore systems.

One of my goals at JavaOne 2010 was to attend some sessions on Java concurrency. I had not been aware of the Java Concurrent ...