Helper函数将对象前置到数组并返回新数组。

/*

    Copyright 1996-2008 Ariba, Inc.


    Licensed under the Apache License, Version 2.0 (the "License");

    you may not use this file except in compliance with the License.

    You may obtain a copy of the License at

        http://www.apache.org/licenses/LICENSE-2.0


    Unless required by applicable law or agreed to in writing, software

    distributed under the License is distributed on an "AS IS" BASIS,

    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

    See the License for the specific language governing permissions and

    limitations under the License.


    $Id: //ariba/platform/util/core/ariba/util/core/ArrayUtil.java#9 $

 */

//package com.nowjava;


public class Main {
/**
来 自 N o w J a v a . c o m - 时  代  Java
**/

    public static void main(String[] argv) throws Exception {

        Object a = "nowjava.com";

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

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

        System.out.println(java.util.Arrays.toString(prepend(a, in)));

    }


    /**

         Helper function to prepend an Object to an array and return the

         new array.


         @param a the Object to be prepended

         @param in the array to prepend a onto


         @return a new Object array containing a + the elements of in

         @aribaapi documented

     */

    public