Java tutorial
//package com.java2s; import java.util.List; public class Main { /** * Converts {@link List} of Integers into an int array * * @param list list to be converted * @return int[] representation */ public static int[] toIntArray(List<Integer> list) { int[] array = new int[list.size()]; for (int i = 0; i < list.size(); i++) { array[i] = list.get(i); } return array; } }