Are leap seconds catered for by the GregorianCalendar class?
If not, does any 3rd party library cater for it?
See Question&Answers more detail:osAre leap seconds catered for by the GregorianCalendar class?
If not, does any 3rd party library cater for it?
See Question&Answers more detail:osSystem.currentTimeMillis()
officially relates to OS timer. And since all OS I know including Microsoft, Linux and Apple are only based on UNIX specification this java system timer does not count leap seconds, only the normal milliseconds since 1970-01-01T00:00:00.000Z