是介于两个字符串值之间的字串

//package com.nowjava;

import java.util.HashMap;
/** 
来 自 
N o w J a v a . c o m - 时代Java
**/


public class Main {

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

        String str1 = "nowjava.com";

        String str2 = "nowjava.com";

        System.out.println(isAnagram(str1, str2));

    }


    @SuppressWarnings("boxing")

    public static boolean isAnagram(String str1, String str2) {

        if (str1 == null || str2 == null) {

            return false;

        }/*来自 NowJava.com*/

        HashMap<Character, Integer> charCount = new HashMap<Character, Integer>();

        for (char ch1 : str1.toLowerCase().toCharArray()) {

            if (!Character.isWhitespace(ch1)) {

                if (charCount.containsKey(ch1)) {

                    charCount.put(ch1, charCount.get(ch1) + 1);

                } else {

                    charCount.put(ch1, 1);

                }

            }

        }

        for (char ch2 : str2.toLowerCase().toCharArray()) {

            if (!Character.isWhitespace(ch2)) {

                if (!charCount.containsKey(ch2)) {

                    return false;

                }