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

Java ʱ¼ä·¶Î§ Util

 import java.util.Date;
public class TimeSpan
{
public final static TimeSpan ZERO = new TimeSpan(0);

private long _totalMilliSeconds = 0;

public TimeSpan(long totalMilliSeconds)
{
_totalMilliSeconds = totalMilliSeconds;
}

public TimeSpan(Date afterDate, Date beforeDate)
{
this(afterDate.getTime() - beforeDate.getTime());
}

public long getMilliSeconds()
{
return _totalMilliSeconds;
}
public long getSeconds()
{
return Math.round(_totalMilliSeconds/1000);
}
public long getMinutes()
{
return Math.round(_totalMilliSeconds/(1000*60));
}
public long getHours()
{
return Math.round(_totalMilliSeconds/(1000*60*60));
}
}


Ïà¹ØÎĵµ£º

UbuntuÏ´Java¿ª·¢»·¾³[ÒýÓÃ]

°²×°ÓëÉèÖÃJDK
Sun JDKµÄ°²×°»ù±¾ÉÏÓÐÁ½ÖÖ·½Ê½:
1. ͨ¹ýUbuntuÌṩµÄ°ü¹ÜÀí¹¤¾ß½øÐа²×°
UbuntuÔÚÆä°ü²Ö¿âÀï¶¼°üÀ¨ÓÐJDKµÄ°²×°£¬Ö»Òªsources.listÉèÖÃÕýÈ·£¬Í¨
¹ýapt-get, aptitude, Synaptic Package
ManagerµÈ¶¼Äܰ²×°£¬¶øÇÒÏà¹ØµÄÉèÖÃÒ²ÈÝÒ׵öࣻÔÚUbuntuµÄÐÂ
·¢²¼°æ±¾Àï¶¼´øÁËJDK5.0,ºÍJDK6.0µÄ°²×°Ö§³Ö,¶øÇÒ ......

Java Êý×é µÄ ¿½±´

 ¸´ÖÆÊý×éµÄ·½·¨£º
ÔÚJAVAÀïÃæ£¬¿ÉÒÔÓø´ÖÆÓï¾ä“A=B”¸ø»ù±¾ÀàÐ͵ÄÊý¾Ý´«µÝÖµ£¬µ«ÊÇÈç¹ûA,BÊÇÁ½¸öͬÀàÐ͵ÄÊý×飬¸´ÖƾÍÏ൱ÓÚ½«Ò»¸öÊý×é±äÁ¿µÄÒýÓô«µÝ¸øÁíÒ»¸öÊý×飻Èç¹ûÒ»¸öÊý×é·¢Éú¸Ä±ä£¬ÄÇôÒýÓÃͬһÊý×éµÄ±äÁ¿Ò²Òª·¢Éú¸Ä±ä¡£
ÒÔÏÂÊǹéÄɵÄJAVAÖи´ÖÆÊý×éÔªËØÖµµÄµÄ·½·¨£º£¨É±´£©
1¡£Ê¹ÓÃFORÑ­»· ......

JAVA»·¾³±äÁ¿µÄÅäÖÃ

   JAVAµÄ³ÌÐò¿ª·¢£¬µÚÒ»²½ÊÇÕë¶ÔJAVA´î½¨ÆäÓ¦Óÿª·¢Æ½Ì¨¡£¹ØÓÚJDKµÄÏÂÔØÓë°²×°Ôڴ˲»¹ý¶à½éÉÜ£¬ÍøÉÏÏà¹ØÁ´½Ó½Ï¶à¡£Æ½Ì¨µÄ´î½¨Ò»¸ö»ù´¡²½ÖèÇҹؼü²½Öè¾ÍÊÇ£ºjava»·¾³±äÁ¿µÄÅäÖá£ÍøÉϹØÓÚJAVAµÄ»·¾³±äÁ¿ÉèÖ÷½·¨ºÜ¶à£¬Æð³õ½Ó´¥JAVA¿Ï¶¨ÓÐÐí¶à²»Ã÷°×µÄµØ·½£¬ÎÒÃÇÐèÒª°Ñ²½Ö辡Á¿µÄ¼ò»¯£¬±¾È˾õµÃ±È½ÏÓÐЧµÄ·½·¨ÈçÏ ......

java»º´æ´¦Àí

java»º´æ¼¼ÊõÒ»£¨×ª£©
¿´Ò»Á£É³ÖеÄÊÀ½ç£¬ Ò»¶äÒ°»¨ÖеÄÌìÌᣠ°ÑÎÞÏÞÎÕÓÚÕÆÖУ¬ °ÑÓÀºãÎÕÓÚ˲¼ä¡£——ÍþÁ®• ²¼À³¿Ë
¿ªÊ¼ÌÖÂÛ»º´æÖ®Ç°,ÈÃÎÒÃÇÏÈÀ´ÌÖÂÛÌÖÂÛÁíÍâÒ»¸öÎÊÌâ:ÀíÂÛºÍʵ¼ù.´Óahuaxuan½Ó´¥µÄ³ÌÐòÔ±À´¿´,ÓеijÌÐòԱƫʵ¼ù,ÓеijÌÐòԱƫÀíÂÛ,µ«ÊÇÕâ¶¼ÊDz»ºÃµÄÐÐΪ,ÀíÂÛºÍʵ¼ùͬÑùÖØÒª,ÎÒÃÇÔÚ×öºÜ¶àº ......

Java Òì³£´¦Àí

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintWriter;
public class ExceptionDefaultHandler
{
private final static String _relativeExceptionLogPath = "log";
private final static String _defaultExceptionLogFileName = "exception.log";
......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ