||Fast date formatter that caches recently formatted date information
and uses it to avoid too-frequent calls to the underlying
||A simple FIFO queue class which causes the calling thread to wait
if the queue is empty and notifies threads that are waiting when it
is not empty.
||Simple object pool.
||An internationalization / localization helper class which reduces
the bother of handling ResourceBundles and takes care of the
common cases of message formating which otherwise require the
creation of Object arrays and such.