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

javaʱ¼äºÍÈÕÆÚÀ©Õ¹

±¾ÈË֮ǰ×öµÄÏîÄ¿ÖлýÀÛ³£ÓõÄʱ¼ä·½·¨£¬Ìù³öÀ´Óë´ó¼Ò¹²Ïí£¬Èç¹ûÄÄÀïÓдíÎó»ò¸üÓÐЧµÄ·½·¨Ç뾡¹ÜÅÄש£¡¹þ¹þ 
Java´úÂë 
package com.hefeng.test;  
  
  
import java.text.DateFormat;  
import java.text.ParsePosition;  
import java.text.SimpleDateFormat;  
import java.util.Calendar;  
import java.util.Date;  
import java.util.GregorianCalendar;  
  
public class TimeTest {  
    //ÓÃÀ´È«¾Ö¿ØÖÆ ÉÏÒ»ÖÜ£¬±¾ÖÜ£¬ÏÂÒ»ÖܵÄÖÜÊý±ä»¯  
    private  int weeks = 0;  
    private int MaxDate;//Ò»ÔÂ×î´óÌìÊý  
    private int MaxYear;//Ò»Äê×î´óÌìÊý  
      
      
    /** 
     * @param args 
     */  
    public static void main(String[] args) {  
        TimeTest tt = new TimeTest();  
        System.out.println("»ñÈ¡µ±ÌìÈÕÆÚ:"+tt.getNowTime("yyyy-MM-dd"));  
        System.out.println("»ñÈ¡±¾ÖÜÒ»ÈÕÆÚ:"+tt.getMondayOFWeek());  
        System.out.println("»ñÈ¡±¾ÖÜÈÕµÄÈÕÆÚ~:"+tt.getCurrentWeekday());  
        System.out.println("»ñÈ¡ÉÏÖÜÒ»ÈÕÆÚ:"+tt.getPreviousWeekday());  
        System.out.println("»ñÈ¡ÉÏÖÜÈÕÈÕÆÚ:"+tt.getPreviousWeekSunday());  
        System.


Ïà¹ØÎĵµ£º

java µ÷ÓÃÃüÁî ±¸·ÝmysqlÊý¾Ý¿â

 ´úÂëÈçÏ£º
  1  String command  =   " cmd /c C:/Program Files/MySQL/MySQL Server 5.0/bin>mysqldump -h localhost -u root -p aijia > E:/aijia.dmp " ;
  2      try    {
  3     Process process& ......

JAVA List to Array,Array to List

 1.Listת»»³ÉΪÊý×é¡££¨ÕâÀïµÄListÊÇʵÌåÊÇArrayList)
µ÷ÓÃArrayListµÄtoArray·½·¨¡£
Àý£ºString[] arr = (String[])list.toArray(new String[size]);
2.Êý×éת»»³ÉΪList¡£
µ÷ÓÃArraysµÄasList·½·¨¡£
Àý£ºList stooges = Arrays.asList("Larry", "Moe", "Curly"); ......

Jconsole ºÍ jps ÎÞ·¨ÏÔʾ±¾µØ Java ½ø³ÌÁбí

ǰһÕóÔÚ¹«Ë¾ÀïʹÓà jconsle ʱһÇÐÕý³££¬È»¶øÔÚ¼ÒÖеĻúÆ÷ÉÏÈ´³öÏÖÁ˱êÌâËùʾµÄÎÊÌ⣺
jconsole ºÍ jps ÎÞ·¨ÏÔʾ±¾µØ Java ½ø³ÌÁÐ±í¡£
µ±Ê±Ö±½ÓÀûÓà -Dcom.sun.management.jmxremote.port=port Æô¶¯Ä¿±ê java ½ø³Ì£¬²¢ÔÚ jconsole ÖÐͨ¹ý localhost:port ·½Ê½³É¹¦Á¬½ÓÉÏÄ¿±ê java ½ø³Ì¡£ÓÐÁËÕâ¸ö work around Ö®ºó£¬¶ÔÕ ......

javaÓëÍøÂç


1 ÍøÂçͨÐŵı¾ÖÊÊǽø³Ì¼äͨÐÅ¡£   
2 TcpЭÒéºÍUDPЭÒé
TCP£º¿ªÏú´ó£¬ÓÃÓÚ¿É¿¿ÐÔÒªÇó¸ßµÄ³¡ºÏ¡£
TCPµÄ¹ý³ÌÏ൱ÓÚ´òµç»°µÄ¹ý³Ì
UDP£ºÓÃÔÚ¶ÔʵʱÐÔÒªÇó±È½Ï¸ßµÄ³¡ºÏ¡£
UDPµÄ¹ý³ÌÏ൱ÓÚдÐŵĹý³Ì¡£
×¢Ò⣺socketÊÇÌ×½Ó×Ö£¬ipºÍport£¨¶Ë¿ÚºÅ 0~65535¸ö¶Ë¿Ú£¬Ò»¸ö¶Ë¿ÚÖ»ÄÜÓÐÒ»¸ö½ø³Ì£©
3£¬   ......

AndroidÖи÷ÖÖJAVA°üµÄ¹¦ÄÜÃèÊö

AndroidÖи÷ÖÖJAVA°üµÄ¹¦ÄÜÃèÊö
2009-09-29 13:05
ÔÚAndroidµÄÓ¦ÓóÌÐò¿ª·¢ÖУ¬Í¨³£Ê¹ÓõÄÊÇJAVAÓïÑÔ£¬³ýÁËÐèÒªÊìϤJAVAÓïÑԵĻù´¡ÖªÊ¶Ö®Í⣬»¹ÐèÒªÁ˽âAndroidÌṩµÄÀ©Õ¹µÄJAVA¹¦ÄÜ¡£
ÔÚÒ»°ãµÄJAVAÓ¦ÓÃÖУ¬Èç¹ûÐèÓÃÒýÓûù´¡Àà¿â£¬Í¨³£ÐèҪʹÓÃÈçϵķ½Ê½£º
import javax.swing.*;
ÒÔÉÏ´úÂë±íʾÁËÒýÓÃJAVAµÄGUI×é¼þSwi ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ