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, 7, 8, 9, 10); Object[] doubled = _numbers.stream().map(value -> value * 2).toArray(); System.out.println(Arrays.toString(doubled)); } }