java - Division of numbers -

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i see in timestamp class, constructor goes like:

    public timestamp(long time) {     super((time/1000)*1000);     ....................

what im not understanding is, need of dividing time 1000 , multiplying again 1000. difference make? isn't piece redundant?

that's way of truncating next lower multiple of 1000 milliseconds -- i.e., whole second. it's not best way, it's way.


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