Java tutorial
import java.util.OptionalInt; import java.util.stream.IntStream; public class Main { public static void main(String[] args) { IntStream i = IntStream.of(1, 2, 3, 4); OptionalInt n = i.findAny(); if (n.isPresent()) { System.out.println(n.getAsInt()); } else { System.out.println("noValue"); } } }