看看谷哥是如何做到的？

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篇首语：本文由小常识网(cha138.com)小编为大家整理，主要介绍了看看谷哥是如何做到的？相关的知识，希望对你有一定的参考价值。

http://www.google.com/ig?hl=zh-CN，该页面右键和菜单正常使用，但却看不了页面的源代码，大家讨论讨论。
用一些简单的方法我也能把它的源码给拷下来，但我说的不是这个意思，我是问它如何实现的，我的IE是6.0由sp升级到sp2的，但用常规的方法右键和工具菜单却无法看到源代码，但网页也没有进行禁用。？？？

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href="http://news.sina.com.cn/w/2006-11-08/174510446700s.shtml">巴基耶夫称颜色革命不会在吉尔吉斯重演</A></DIV>
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href="http://news.sina.com.cn/w/2006-11-08/165210446583s.shtml">以军炮击加沙 参考技术A d 色丢号放水电费黑丝uhi

用java怎统计windows目录下的文件种类数（后缀名）？相同种类的个数？？急用？？详细点！！哥是个文盲的！

File f = new File("c:/windows");
List dirs = new ArrayList();
dirs.add(f.listFiles());
for (int i = 0; i < dirs.size(); i ++)
File[] files = (File[])dirs.get(i);
for (int j = 0; j < files.length; j ++)
if (files[j].isDirectory())
dirs.add(files[j].listFiles());
else
String fName = files[j].getName();
String[] ff = fName.split("\\.");
String eName = "":
if (ff.length == 2)
eName = ff[1];

if (fileType.containsKey(eName))
Integer size = (Integer)fileType.get(eName);
size = new Integer(size.intValue() + 1);
fileType.put(eName, size);
else
Integer size = new Integer(1);
fileType.put(eName, size);




for (Iterator key = fileType.keySet().iterator(); key.hasNext(); )
String eName = key.next().toString();
Integer size = (Integer)fileType.get(eName);
System.out.println("扩展名为【" + eName + "】的文件共有" + size + "个");
追问

这程序有问题的哦？？有变量没声明！

追答

import java.io.File;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

public class Demo
public static void main(String[] args)
File f = new File("c:/windows");
List dirs = new ArrayList();
Map fileType = new HashMap();
dirs.add(f.listFiles());
for (int i = 0; i key = fileType.keySet().iterator(); key.hasNext();)
String eName = key.next().toString();
Integer size = (Integer) fileType.get(eName);
System.out.println("扩展名为【" + eName + "】的文件共有" + size + "个");


 参考技术A 楼上的各位童鞋有没有考虑到效率的问题 使用递归追问

你有高效的答案？？？说来听听！！

 参考技术B 有个专业的软件统计的！你可上天网下载！ 参考技术C 悬赏太低了点，下课回来做，上课去了

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