import it.unimi.dsi.fastutil.ints.IntArrayList;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
public class FastutilDemo {
private static IntArrayList list = new IntArrayList();
public static void main(String[] args) {
ExecutorService executorService = Executors.newFixedThreadPool(5);
for (int i = 0; i < 10; i++) {
executorService.execute(new Worker(i));
}
executorService.shutdown();
}
static class Worker implements Runnable {
private int index;
public Worker(int index) {
this.index = index;
}
@Override
public void run() {
for (int i = 0; i < 100000; i++) {
list.add(index + i);
}
}
}
}
