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  When System.nanotime() runs backwards  (Read 2202 times)
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Offline mgianota

Senior Newbie





« Posted 2008-11-12 22:30:06 »

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package gameloop;

/**
 *
 * @author Mario
 */

public class NanoTimeBackwards {

    public static void main(String[] args) {
        long diff = Long.MAX_VALUE - System.nanoTime();
        long days = (diff / 1000000000L) / 60 / 60 / 24;
        long years = days / 365;
        System.out.println(
                "Your nano timer will run backwards in "+years+" years.");
    }
}


Edit: Oops, was multiplying instead of dividing.


--Mario
Offline Eli Delventhal

JGO Kernel


Medals: 42
Projects: 11
Exp: 10 years


Game Engineer


« Reply #1 - Posted 2008-11-13 06:01:45 »

Ha ha, clever.

See my work:
OTC Software
Offline Riven
« League of Dukes »

JGO Overlord


Medals: 784
Projects: 4
Exp: 16 years


Hand over your head.


« Reply #2 - Posted 2008-11-13 06:59:58 »

actually.... 2^63 / 1.000.000.000 / 3600 / 24 / 365 = 292 years

due to cpu throttling, and multicore systems with each core having it's own time, System.nanoTime can go back in time ANY time.

Hi, appreciate more people! Σ ♥ = ¾
Learn how to award medals... and work your way up the social rankings
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