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Initial data commit

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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 72d218235f
commit f23f22d71c
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27
Task/Time-a-function/Java/time-a-function-2.java Normal file
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import java.lang.management.ManagementFactory;
import java.lang.management.ThreadMXBean;
public class TimeIt {
public static void main(String[] args) {
final ThreadMXBean threadMX = ManagementFactory.getThreadMXBean();
assert threadMX.isCurrentThreadCpuTimeSupported();
threadMX.setThreadCpuTimeEnabled(true);
long start, end;
start = threadMX.getCurrentThreadCpuTime();
countTo(100000000);
end = threadMX.getCurrentThreadCpuTime();
System.out.println("Counting to 100000000 takes "+(end-start)/1000000+"ms");
start = threadMX.getCurrentThreadCpuTime();
countTo(1000000000L);
end = threadMX.getCurrentThreadCpuTime();
System.out.println("Counting to 1000000000 takes "+(end-start)/1000000+"ms");
}
public static void countTo(long x){
System.out.println("Counting...");
for(long i=0;i<x;i++);
System.out.println("Done!");
}
}