Here you can find the source of convertIntList(Integer[] list)
public static int[] convertIntList(Integer[] list)
//package com.java2s; /* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana * * Copyright (C) 2007 IVER T.I. and Generalitat Valenciana. * * 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 2 * 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, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA. *//*from w w w. ja v a2s .c o m*/ public class Main { public static int[] convertIntList(Integer[] list) { if (list == null) return null; int[] result = new int[list.length]; for (int i = 0; i < list.length; i++) result[i] = list[i].intValue(); return result; } }