两个字符数组是否等价

/**
时代Java公众号 提供 
**/

//package com.nowjava;

import java.util.ArrayList;


import java.util.List;


public class Main {

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

        char[] charArr1 = new char[] { 'b', 'o', 'o', 'k', '2', 's', '.',

                'c', 'o', 'm', 'a', '1', };

        char[] charArr2 = new char[] { 'b', 'o', 'o', 'k', '2', 's', '.',

                'c', 'o', 'm', 'a', '1', };

        System.out.println(isEquivalent(charArr1, charArr2));

    }

    /**
     from
    * 时   代     Java  公  众  号 - nowjava.com 
    **/

    public static boolean isEquivalent(char[] charArr1, char[] charArr2) {

        if (charArr1.length != charArr2.length) {

            return false;

        }

        int sum1 = 0;

        int sum2 = 0;

        for (int index = 0; index < charArr1.length; index++) {

            sum1 += charArr1[index];

            sum2 += charArr2[index];

        }

        // in most cases it would return from here

        if (sum1 != sum2) {

            return false;

        }

        List<Character> charList1 = toList(charArr1);

        List<Character> charList2 = toList(charArr2);

        for (Character charValue : charList1) {

            charList2.remove(charValue);

        }

        return charList2.isEmpty();

    }