比较两个指定的数组。

/**
n o w j a   v  a . c o m - 时  代  Java
**/


//package com.nowjava;

import java.lang.reflect.Array;


public class Main {

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

        Object array1 = "nowjava.com";

        Object array2 = "nowjava.com";

        System.out.println(areArraysEqual(array1, array2));

    }


    /**

     * Compares the two specified arrays. If both passed objects are

     * <code>null</code>, <code>true</code> is returned. If both passed 

     * objects are not arrays, they are compared using <code>equals</code>. 

     * Otherwise all array elements are compared using <code>equals</code>.

     * This method does not handle multidimensional arrays, i.e. if an

     * array contains another array, comparison is based on identity.

     * @param array1 the first array

     * @param array2 the second array

     * @return <code>true</code> if the arrays are equal, <code>false</code>

     *         otherwise

     */

    public static boolean areArraysEqual(Object array1, Object array2) {

        if (null == array1 && null == array2)
        /*来自 
         n  o  w  j  a  v  a . c o m*/

            return true;

        if (null == array1 || null == array2)

            return false;

        if (!array1.getClass().isArray() && !array2.getClass().isArray())

            return array1.equals(array2);

        if (!array1.getClass().isArray() || !array2.getClass().isArray())

            return false;

        int length1 = Array.getLength(array1);

        int length2 = Array.getLength(array2);

        if (length1 != length2)

            return false;

        for (int ii = 0; ii < length1; ii++) {

            Object va