java³£ÓÃÈÕÆÚ´¦Àí
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.out.println("»ñÈ¡ÏÂÖÜÒ»ÈÕÆÚ:"+tt.getNextMonday());
System.out.println("»ñÈ¡ÏÂÖÜÈÕÈÕÆÚ:"+tt.getNextSunday());
System.out
Ïà¹ØÎĵµ£º
¸´Ï°Ò»ÏÂjava´úÂ룬´úÂëÎÊÌâºÜ¶àÇë¸ßÊÖ²»Áߴͽ̡£°ïÖúÖØ¹¹¡£
public static void main(String[] args){
int employeeCount = 420000; //Ô±¹¤×ÜÊý
Employee[] ËùÓÐÖ°¹¤ = getAllEmployee();
for((i=0;i<=employeeCount ;i++) {
&n ......
Java
ÃüÁîÐй¤¾ß×ܽá
1¡¢ÃüÁî
C\Documents and Settings\Zianed>ls ‘%JAVA_HOME%’/bin
HtmlConverter.exe javap.exe jstatd.exe rmid.exe
appletviewer.exe javaw.exe &n ......
ʹÓÃJava»ñÈ¡IPµØÖ·ÊµÀý
ÎÄÕ·ÖÀà:Java±à³Ì
ÏÖÔÚÔÚ´ÓÊµĹ¤×÷³öÏÖÁËÒ»¸öÎÊÌ⣬ż¶û»á³öÏÖÈ¡²»µ½ipµÄÇé¿ö£¬ËÑË÷ÁËһϣ¬ÔÀ´ÈçÏÂÎÄËù˵
ת×Ô£ºhttp://developer.51cto.com/art/200906/130491.htm
ʹÓÃJava»ñÈ¡IPµØÖ·ÊµÀý
ÔÚJSPÀ»ñÈ¡¿Í»§¶ËµÄIPµØÖ·µÄ·½·¨ÊÇ£ºrequest.getRemoteAddr()£¬ÕâÖÖ·½·¨Ôڴ󲿷ÖÇé¿ö϶¼Ê ......
ÎÄÖÐjstat²¿·Öת×Ô
http://blog.csdn.net/kozazyh/archive/2010/02/04/5289684.aspx
ÓÃjavaÓïÑÔ±à³ÌµÄʱºò£¬sunÌṩÁ˼¸¸öС¹¤¾ß£¬ÓÃ×Å»¹ÊDz»´íµÄ£¬ÌØÒâ×öÏÂ×ܽá
1.jps
jpsÓÃÀ´²é¿´µ±Ç°javaµÄ½ø³Ì£¬ÆäʵËüµÄ¹¦ÄÜ¿ÉÒÔ»ù±¾ÉÏÓÉpsÀ´ÊµÏÖ
¼¸¸ö³£ÓõIJÎÊý£º
-q Ö»ÏÔʾpid£¬²»ÏÔʾclassÃû³Æ,jarÎļþÃûºÍ´«µÝ¸ømain ·½·¨µÄ²Î ......
ÕâÀï×ªÔØÒ»Æª½²½âjavaÐòÁл¯(Serializable)ºÍ·´ÐòÁл¯·½ÃæµÄ¸Ð¾õºÜºÃµÄÎÄÕ¡£
1¡¢ÐòÁл¯ÊǸÉʲôµÄ£¿
¼òµ¥Ëµ¾ÍÊÇΪÁ˱£´æÔÚÄÚ´æÖеĸ÷ÖÖ¶ÔÏóµÄ״̬£¨Ò²¾ÍÊÇʵÀý±äÁ¿£¬²»ÊÇ·½·¨£©£¬²¢ÇÒ¿ÉÒ԰ѱ£´æµÄ¶ÔÏó״̬ÔÙ¶Á³öÀ´¡£ËäÈ»Äã¿ÉÒÔÓÃÄã×Ô¼ºµÄ¸÷ÖÖ¸÷ÑùµÄ·½·¨À´±£ ´æobject states£¬µ«ÊÇJava¸øÄãÌṩһÖÖÓ¦¸Ã±ÈÄã×Ô¼ººÃµÄ±£´æ ......