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import java.util.regex.*;

public final class RegExpValidator
{
/**
* ÑéÖ¤ÓÊÏä
* @param ´ýÑéÖ¤µÄ×Ö·û´®
* @return Èç¹ûÊÇ·ûºÏµÄ×Ö·û´®,·µ»Ø <b>true </b>,·ñÔòΪ <b>false </b>
*/
public static boolean isEmail(String str)
{
String regex = "^([\\w-\\.]+)@((\\[[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\.)|(([\\w-]+\\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\\]?)$";
return match(regex, str);
}

/**
* ÑéÖ¤IPµØÖ·
* @param ´ýÑéÖ¤µÄ×Ö·û´®
* @return Èç¹ûÊÇ·ûºÏ¸ñʽµÄ×Ö·û´®,·µ»Ø <b>true </b>,·ñÔòΪ <b>false </b>
*/
public static boolean isIP(String str)
{
String num = "(25[0-5]|2[0-4]\\d|[0-1]\\d{2}|[1-9]?\\d)";
String regex = "^" + num + "\\." + num + "\\." + num + "\\." + num + "$";
return match(regex, str);
}

/**
* ÑéÖ¤ÍøÖ·Url
* @param ´ýÑéÖ¤µÄ×Ö·û´®
* @return Èç¹ûÊÇ·ûºÏ¸ñʽµÄ×Ö·û´®,·µ»Ø <b>true </b>,·ñÔòΪ <b>false </b>
*/
public static boolean IsUrl(String str)
{
String regex = "http(s)?://([\\w-]+\\.)+[\\w-]+(/[\\w- ./?%&=]*)?";
return match(regex, str);
}

/**
* ÑéÖ¤µç»°ºÅÂë
* @param ´ýÑéÖ¤µÄ×Ö·û´®
* @return Èç¹ûÊÇ·ûºÏ¸ñʽµÄ×Ö·û´®,·µ»Ø <b>true </b>,·ñÔòΪ <b>false </b>
*/
public static boolean IsTelephone(String str)
{
String regex = "^(\\d{3,4}-)?\\d{6,8}$";
return match(regex, str);
}

/**
* ÑéÖ¤ÊäÈëÃÜÂëÌõ¼þ(×Ö·ûÓëÊý¾Ýͬʱ³öÏÖ)
* @param ´ýÑéÖ¤µÄ×Ö·û´®
* @return Èç¹ûÊÇ·ûºÏ¸ñʽµÄ×Ö·û´®,·µ»Ø <b>true </b>,·ñÔòΪ <b>false </b>
*/
public static boolean IsPassword(String str)
{
String regex = "[A-Za-z]+[0-9]";
return match(regex, str);
}



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package com.huawei.globe;
import java.util.zip.*;
import java.io.*;
public class Compress {
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 }
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Toolkit tk = Toolkit.getDefaultToolkit();
tk.addAWTEventListener(new MyAWTEventListener(), AWTEvent.KEY_EVENT_MASK);
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    private boolean controlPressed = fal ......

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public class Test{ 
  public static String addBigNum(String str1,String str2){
     //ÕÒ³öÁ½×Ö·û´®µÄ³¤¶Ì£¬·½±ãºó±ßÒýÓã»
     String longer = str1.length() > str2.length()? str1 : str2;
     String shorter = str1.length( ......

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