集册 Java实例教程 将List<Integer>转换为数组int[]

将List<Integer>转换为数组int[]

欢马劈雪     最近更新时间:2020-01-02 10:19:05

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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 
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