> the java program
Which java program?
This https://github.com/niklas-heer/speed-comparison/blob/master/... and this https://github.com/niklas-heer/speed-comparison/blob/master/... from parent comment
This https://github.com/niklas-heer/speed-comparison/blob/master/... and this https://github.com/niklas-heer/speed-comparison/blob/master/... from parent comment