Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

javaÎļþ¹ýÂËÆ÷µÄʹÓÃ

javaÎļþ¹ýÂËÆ÷µÄʹÓôúÂëÈçÏ£º
²âÊÔ´úÂ룺package file;
import java.io.File;
public class fileFilter {
 public static void main(String[] args) {
  File file = new File("d:\\");//ÉèÖÃÎļþ·¾¶
  for (File fileList : file.listFiles(new file.MyFileFilter())) {
   System.out.println(fileList.getName());
  }
 }
}
¹ýÂËÆ÷´úÂ룺
package file;
import java.io.File;
import java.io.FileFilter;
public class MyFileFilter implements FileFilter {
 //ʵÏÖFileFilterµÄ·½·¨
 public boolean accept(File arg0) {
  if (arg0.getName().endsWith(".class")) {
   return true;
  }
  return false;
 }
}


Ïà¹ØÎĵµ£º

cokie¼¼ÊõÔÚJava MEƽ̨µÄÓ¦ÓÃÓëʵÏÖ

CookieÔÚWebÓ¦ÓóÌÐòÖб»¹ã·º²ÉÓã¬Î¬»¤ä¯ÀÀÆ÷ºÍ·þÎñÆ÷Ö®¼äµÄ״̬¡£Òź¶µÄÊÇÕâÒ»ÌØÐÔÔÚJava
MEƽ̨Öв¢Ã»Óеõ½Ö§³Ö¡£Òò´Ë£¬ÒªÏëά³Ö¿Í»§¶ËºÍ·þÎñÆ÷¶ËµÄ״̬Ôò±ØÐëʹÓÃURLÖØÐ´µÄ·½Ê½¡£URLÖØÐ´²Ù×÷ÆðÀ´±È½ÏÂé·³£¬ËùÒÔÑо¿Ò»ÏÂcookieµÄ
Ô­Àí²¢ÔÚJava MEƽ̨ÉÏʵÏÖcookieÊDz»´íµÄ³¢ÊÔ¡£
Ê×ÏÈ£¬ÎÒÃÇÀ´¿´Ò»ÏÂcookieµÄÔ­Àí¡£µ± ......

java»ù´¡ÖªÊ¶ÈýÊ®¶þ¼Æ


      µÚÒ»£¬Ì¸Ì¸final£¬ finally£¬ finalizeµÄÇø±ð¡£
¡¡¡¡final ÓÃÓÚÉùÃ÷ÊôÐÔ£¬·½·¨ºÍÀ࣬·Ö±ð±íʾÊôÐÔ²»¿É±ä£¬·½·¨²»¿É¸²¸Ç£¬À಻¿É¼Ì³Ð¡£finallyÊÇÒì³£´¦ÀíÓï¾ä½á¹¹µÄÒ»²¿·Ö£¬±íʾ×ÜÊÇÖ´ÐС£finalizeÊÇObjectÀàµÄÒ»¸ö·½·¨£¬ÔÚÀ¬»øÊÕ¼¯Æ÷Ö´ÐеÄʱºò»áµ÷Óñ»»ØÊÕ¶ÔÏóµÄ´Ë·½·¨£¬¿ÉÒÔ¸²¸Ç ......

javaÑéÖ¤Âë»ã×Ü

1.Éú³ÉgifͼƬ¸ñʽµÄ
package com.cssweb.common.util;
import java.io.*;
import java.util.*;
import com.sun.image.codec.jpeg.*;
import javax.servlet.*;
import javax.servlet.http.*;
import java.awt.*;
import java.awt.image.*;
/*
* ¹¦ÄÜ£ºµ÷ÓÃAuthServlet¿ÉÒÔÉú³ÉÒ»¸öÑéÖ¤ÂëͼƬ,ͼƬµÄ¿í¶ÈºÍ¸ß¶È¿ÉÒ ......

JavaÉè¼ÆÄ£Ê½ÏµÁн̳̣¨Ò»£©¹¤³§Ä£Ê½factory

½ñÌìºÍ´ó¼ÒÒ»ÆðѧϰJavaµÄÉè¼ÆÄ£Ê½¡£±¾È˵Äˮƽ²»ÊǺܸߣ¬ÕâϵÁÐÎÄÕÂÖ»ÊÇ×Ô¼ºÑ§Ï°µÄ¹ý³Ì£¬²¢Ï£ÍûÄÜͬ´ó¼Ò·ÖÏí¾­Ñé¡£
ÏÈ˵ÏÂÎÒ¶Ô¹¤³§Ä£Ê½µÄÀí½â£ºµ±ÎÒÃÇÐèҪij¸ö¶ÔÏóʱ£¬×îÖ±½ÓµÄ°ì·¨ÊÇ¿´µ½Õâ¸ö¶ÔÏó¾ÍÄùýÀ´¡£µ«Êǵ±¶ÔÏó·Ç³£¶àµÄʱºò£¬ÕÒÆðÀ´¾ÍºÜ²»·½±ã¡£Õâʱ¾ÍÐèÒªÒ»¸öÖнéÀ´°ïÖúÎÒÃÇÈ¡µÃÏëÒªµÄ¶«Î÷£¬Õâ¸öÖнé¾ÍÊǹ¤³§£¨fa ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ