package com.zetcode; import java.util.Arrays; import java.util.List; public class ListToArray { public static void main(String[] args) { List vals = List.of(2.3, 2.5, 3.1, 6.7); Double[] vals2 = vals.toArray(new Double[0]); System.out.println(Arrays.toString(vals2)); double[] vals3 = vals.stream().mapToDouble(Double::doubleValue).toArray(); System.out.println(Arrays.toString(vals3)); } }