Java tutorial
import java.util.Arrays; import java.util.List; public class Main { public static void main(String[] args) { List<Integer> numbers = Arrays.asList(1, 2, 3, 4, 5, 6); // System.out.println(numbers.stream().filter(i -> i > 2).filter(i -> i % 2 == 0).mapToInt(i -> i * i) .findFirst().getAsInt()); } }