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#!/usr/bin/java --source 11
import java.time.Instant;
import java.time.temporal.ChronoUnit;
public final class string
{
public static void main(String[] args)
{
String s = "abcdefgh" + "efghefgh";
int m = (1024 / s.length()) * 512;
String g = "";
int i, l;
Instant timer = Instant.now();
i = 0;
while (i < (m + 1000))
{
i++;
g += s;
g = g.replace("efgh", "____");
l = g.length();
if (l % (1024 * 64) == 0)
{
System.out.println(timer.until(Instant.now(), ChronoUnit.MILLIS) / 1000 + " sec\t\t" + (l / 1024) + "kb");
}
}
}
}
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