import it.unimi.dsi.fastutil.ints.IntArrayList;
public class FastutilExample {
public static void main(String[] args) {
IntArrayList list = new IntArrayList();
list.add(10);
list.add(20);
list.add(30);
list.forEach(System.out::print);
System.out.println();
list.sort(null);
int index = list.binarySearch(20);
IntArrayList subList = list.subList(0, 2);
}
}
<dependency>
<groupId>it.unimi.dsi</groupId>
<artifactId>fastutil</artifactId>
<version>8.5.5</version>
</dependency>
