"... continued without pauses even while other threads were grinding to a halt from a huge volume of garbage being created, and having that garbage collected. Deterministic control over critical application thread processing without having to worry about interfering effects from other non-critical threads or garbage collection. This is significant stuff."
"all Thread.sleep() can do is put your thread to sleep for the specified number of milliseconds. It cannot tell you when it will run again as that is a function of the operating system."