Currently the FileChooser constantly opens in a generic directory of my system or in its initial dir, if set.
When I now select a file and click "Open" and open the FileChooser again, it will not remember its last dir.

Please introduce a method setRememberLastDir(boolean) so that one can decide to chose the current behaviour or have the FC remember its last visit.
And please apply this to the DirChooser too, if this is going to be a separate class (though, will there then also be a FileAndDirChooser which can choose both things at the same time?)