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

JAVA WEB³ÌÐòÖÐÌí¼Ó¶¨Ê±Æ÷

 
//ÕâÊÇÎҵĶ¨Ê±Æ÷À࣬ÓÃÀ´¶¨Ê±Ö´ÐÐij¶ÎÈÎÎñ£»
package com.my.time;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Timer;
public
 
class
 BugXmlTimer  {
   
public
   Timer timer;
  
   
   
public
 
void
 timerStart(){
       timer = 
new
 Timer();
       Date datetime=
new
 Date();
       Date midnightDate=
new
 Date();
       SimpleDateFormat sdf1 = 
new
 SimpleDateFormat(
"yyyy-MM-dd"
);
       SimpleDateFormat sdf2 = 
new
 SimpleDateFormat(
"yyyy-MM-dd HH:mm:ss"
);
       
    
try
 {
                
        midnightDate = sdf2.parse(sdf1.format(datetime)+
" 23:00:00"
);
    } 
catch
 (ParseException e) {
        
// TODO Auto-generated catch block
        e.printStackTrace();
    }
        
        
long
 
in
=midnightDate.getTime()-datetime.getTime();
   
        System.
out
.println(
"before task"
);
//Á¢¿ÌÖ´ÐУ¬È»ºóÿ¸ô30sÖ´ÐÐÒ»´Î
        timer.schedule(
new
 BugXmlTimerTas


Ïà¹ØÎĵµ£º

javaÈëÃÅ

 Javaѧϰ´ÓÈëÃŵ½¾«Í¨ 
Ò»¡¢ JDK (Java Development Kit) 
JDKÊÇÕû¸öJavaµÄºËÐÄ£¬°üÀ¨ÁËJavaÔËÐл·¾³£¨Java Runtime Envirnment£©£¬Ò»¶ÑJava¹¤¾ßºÍJava»ù´¡µÄÀà¿â(rt.jar)¡£²»ÂÛʲôJavaÓ¦Ó÷þÎñÆ÷ʵÖʶ¼ÊÇÄÚÖÃÁËij¸ö°æ±¾µÄJDK¡£Òò´ËÕÆÎÕJDKÊÇѧºÃJavaµÄµÚÒ»²½¡£×îÖ÷Á÷µÄJ ......

JAVA µ¼³öCSV´úÂë

import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import au.com.bytecode.opencsv.CSVWriter;
public class CsvDemo {
    
    public static void main(String[] args) throws IOException {
        
     ......

JAVAÎļþ²Ù×÷

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.nio.channels.FileChannel;
public class DealFile {
     /**
      * ɾ³ýÎļþ
  ......

java httpclient£¨1£©

HTTP(Hyper-Text Transfer Protocol)Êǵ±Ç°ÒòÌØÍøÉÏʹÓÃ×î¶àµÄЭÒé¡£ÍøÂç·þÎñ£¬ÍøÂçÉ豸ÒÔ¼°ÍøÂç¼ÆËãµÄÔö³¤²»½öÔö¼ÓÁËÐèÒªHTTPÖ§³ÖµÄµÄÓ¦ÓóÌÐò£¬»¹À©Õ¹ÁËHTTPµÄ½ÇÉ«£¬Ê¹Æä²»½ö½öÓ¦ÓÃÓÚÓû§Çý¶¯µÄwebä¯ÀÀÆ÷¡£ java.net°üÌṩͨ¹ýHTTP·ÃÎÊ×ÊÔ´µÄ»ù±¾¹¦ÄÜ¡£HttpClientÉ跨ͨ¹ýʵÏÖÒ»¸ö¸ßЧµÄ£¬×îÐµģ¬¹¦ÄܷḻµÄHttp¿Í»§¶ËÀ ......

(1) Java ¼¼ÊõµÄ»ýÀÛ _DaemonÊØ»¤Ïß³Ì

 
Ïß³Ì Thread setDaemon ·½·¨

2009Äê07ÔÂ24ÈÕ ÐÇÆÚÎå 14:37

Thread setDaemon ·½·¨
import java.io.IOException;
/*
* ÊØ»¤Ïß³ÌÔÚûÓÐÓû§Ï߳̿ɷþÎñʱ×Ô¶¯À뿪
* ÔÚJavaÖбȽÏÌØÊâµÄÏß³ÌÊDZ»³ÆÎªÊØ»¤£¨Daemon£©Ï̵߳ĵͼ¶±ðÏ̡߳£
* Õâ¸ö ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ