Java tutorial
//package com.java2s; /* * jGnash, a personal finance application * Copyright (C) 2001-2017 Craig Cavanaugh * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ import java.util.List; public class Main { /** * Converts a List of Integers to an integer array. * * @param integerList List of Integers * @return integer array */ public static int[] intListToArray(final List<Integer> integerList) { return integerList.stream().mapToInt(value -> value).toArray(); } }