将List<;Integer>转换为数组int[]
/* 来 自* nowjava - 时代Java */ /* * http://code.google.com/p/ametro/ * Transport map viewer for Android platform * Copyright (C) 2009-2010 contacts@ametro.org Roman Golovanov and other * respective project committers (see project home page) * * 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/>. * */ //package com.nowjava; import java.util.ArrayList; import java.util.List; public class Main { public static void main(String[] argv) { List src = java.util.Arrays.asList("asdf", "nowjava.com"); System.out.println(java.util.Arrays.toString(toArray(src))); } public static int[] toArray(List<Integer> src) { int[] res = new int[src.size()]; for (int i = 0; i < src.size(); i++) { res[i] = src.get(i); } return res;//from N o w J a v a . c o m } public static