返回数组中元素的索引

/*

 * 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/>.

 *  

 *///时代Java公众号 - N o w J a  v a . c o m 提供

//package com.nowjava;


public class Main {

    public static void main(String[] argv) {

        String[] array = new String[] { "1", "abc", "level", null,

                "nowjava.com", "asdf 123" };

        String value = "nowjava.com";

        System.out.println(indexOf(array, value));

    }


    public static int indexOf(String[] array, String value) {

        if (value == null)

            return -1;

        final int le