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½ñÌìÓöµ½ÕâÑùµÄÎÊÌâ¡£ÐèÒªÏÂÔØÒ»¸öÎļþ£¬¸ÃÎļþµÄurlÈçÏ£º hxxp://www.abc.com/view/img/%E7%BD%91%E4%B8%8A%E8%B4%AD%E7%89%A9.rar   
  ´ËÁ´½ÓÔÚä¯ÀÀÆ÷Ï»áÖØ¶¨Ïòµ½±ðµÄÍøÕ¾¡£ËùÒÔÏÂÔØÏÂÀ´µÄÎļþ²¢·ÇÎÒÏëÒªµÄ¡£²éÁËÏÂÔ­À´ÊÇurl±àÂëºóµÄÎļþÃû¡£ÄÇôҪÏëÏÂÔØ¾Í±ØÐë¶ÔÕâ¸ö±àÂë½øÐнâÂë¡£¡£¡£¡£¡£
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public class TestUrlCode {
    public static void main(String[] args){
        String keyWord = "hxxp://www.abc.com/view/img/%E9%BB%91%E7%99%BD%E6%97%A0%E5%B8%B8.rar
“;
        try {
            keyWord = URLDecoder.decode(keyWord, "UTF-8");
            System.out.println(keyWord);
            String urlStr = URLEncoder.encode("ºÚ°×ÎÞ³£", "UTF-8");
            System.out.println(urlStr);
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        }
    }
½á¹û  £º  hxxp://www.abc.com/view/img/ºÚ°×ÎÞ³£.rar
                %E9%BB%91%E7%99%BD%E6%97%A0%E5%B8%B8
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      //×°ÔØmysql-jdbcÇý¶¯
       Class.forName("com.mysql.jdbc.Driver" ......

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  thisIsMethodOrFieldName  
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package com.down.servlet;
import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URLEncoder;
import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import java ......

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class Dog {
public static void bark() {
System.out.print("woof ");
}
}
class Basenji extends Dog {
public static void bark() { }
}
public class Bark {
public static void main(String args[]) {
Dog woofer = new Dog();
Dog nipper = new Basenji();
woofer.bark();
nipper.bark();
}
}
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java µ÷ÓÃmysql¿Í»§¶Ëµ¼È룬µ¼³öÊý¾Ý

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Java ´úÂë 
/**  
 * µ¼ÈëÊý¾Ý  
  * @param  ½Å±¾µÄµØÖ·ºÍÃû³Æ  
 * @return ÊÇ·ñ³É¹¦&nb ......
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