Java tutorial
import java.util.PrimitiveIterator; import java.util.stream.IntStream; public class Main { public static void main(String[] args) { IntStream i = IntStream.of(1, 2, 3, 4, 5, 6, 7); PrimitiveIterator.OfInt o = i.iterator(); while (o.hasNext()) { System.out.println(o.nextInt()); } } }