I think I've also read somewhere about a bug in the java Random class, it was something about after N iterations, the number starts from iteration 1 where N is

I think I've also read somewhere about a bug in the java Random class, it was something about after N iterations, the number starts from iteration 1 where N is not very big (i.e. clearly visible pattern/cyclic repeat in the numbers). But I can't find it anymore, if someone knows its whereabouts, please let me know.