Early feedback on the JTable printing API (introduced by 4791650) suggests some changes that must be made prior to release.
First, there is concern with the behavior of the convenience methods JTable.print(xxx). It was known at the time of integration that these methods would block the GUI until printing was done. No solution was known at that time. Internal user feedback suggests that this will really annoy users, and luckily a fix has been determined. This fix involves showing a dialog and moving some of the processing to another thread.
The second item that has been suggested is to use the new enum facility for constants defined for JTable's printing modes. This can only ever be addressed prior to public release and needs to be done now.