Here you can find the source of toLongArray(int... coordinates)
public static long[] toLongArray(int... coordinates)
//package com.java2s; /*//w w w . ja v a2 s .c o m * Copyright (C) 2008-2015 by Holger Arndt * * This file is part of the Universal Java Matrix Package (UJMP). * See the NOTICE file distributed with this work for additional * information regarding copyright ownership and licensing. * * UJMP is free software; you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * UJMP 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 Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with UJMP; if not, write to the * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, * Boston, MA 02110-1301 USA */ public class Main { public static long[] toLongArray(int... coordinates) { long[] result = new long[coordinates.length]; for (int i = coordinates.length; --i != -1;) { result[i] = coordinates[i]; } return result; } }