Here you can find the source of convertDoubleList(Double[] list)
public static double[] convertDoubleList(Double[] 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 www .j a v a 2 s . co m public class Main { public static double[] convertDoubleList(Double[] list) { if (list == null) return null; double[] result = new double[list.length]; for (int i = 0; i < list.length; i++) result[i] = list[i].doubleValue(); return result; } }