Javaѧϰ
ÎÒÏÖÔÚÊÇÈí¼þѧԺ´ó¶þµÄѧÉú£¬ÎÒÃÇѧµÄ½Ì²ÄÊÇ¡¶JavaÓïÑÔ³ÌÐòÉè¼Æ¡·£¬ÏÖÔÚѧµÄÊǽø½×ƪ£¬¿ÉÊÇÎҸоõºÃÏñ»¹ÊÇʲô¶¼²»»á°¡£¡Èç¹ûÕæ¸øÎÒÒ»¸öÌâÄ¿ÈÃÎÒ×Ô¼ºÈ¥×ö£¬ÎÒÏëÎÒ»á×ö²»³öÀ´¡£²»¹ýÈç¹û¿´×ÅÊéȥʵÏÖÒ»¸ö¹¦ÄÜÎÒ»¹ÒªÏëºÜ¾Ã²Å»á×ö³öÀ´£¬Ò²ÐíÊÇÎÒѧϰ»¹²»¹ýÈÏÕæ£¬×Ô¼º¶¯ÊÖµÄÄÜÁ¦»¹Ã»ÓÐÑø³É£¬Ò²ÐíÊÇÎÒ´úÂë¿´µÃÌ«ÉÙ£¡ÎÒÏëÎÊһϸßÊÖÓÐûÓÐʲôѧJavaµÄºÃ·½·¨£¡ÎÒÖªµÀºÃ·½·¨ÊÇ×Ô¼ºÎò³öÀ´µÄ£¬¿ÉÎÒ»¹ÊÇÏëÌýÌý¸ßÊÖµÄÒâ¼û£¡£¡£¡
Ïà¹ØÎĵµ£º
¶à̬µÄÄ¿µÄ
ͨ¹ýÀàÐÍת»»£¬°ÑÒ»¸ö¶ÔÏóµ±×÷ËüµÄ»ùÀà¶ÔÏó¶Ô´ý¡£
´ÓÏàͬµÄ»ùÀàÅÉÉú³öÀ´µÄ¶à¸öÅÉÉúÀà¿É±»µ±×÷ͬһ¸öÀàÐͶԴý£¬¿É¶ÔÕâЩ²»Í¬µÄÀàÐͽøÐÐͬÑùµÄ´¦Àí¡£
ÕâЩ²»Í¬ÅÉÉúÀàµÄ¶ÔÏóÏìӦͬһ¸ö·½·¨Ê±µÄÐÐΪÊÇÓÐËù²î±ðµÄ£¬ÕâÕýÊÇÕâЩÏàËÆµÄÀàÖ®¼ä±Ë´ËÇø±ðµÄ²»Í¬Ö®´¦¡£
¶¯Ì¬°ó¶¨
½«Ò»¸ö·½·¨µ÷ÓúÍÒ»¸ö·½·¨Ö÷ÌåÁ¬½Óµ½Ò»Æð ......
import java.io.File;
/**
* @description <p>java ·¾¶</p>
* @author swandragon
* @date Nov 5, 2009
*/
public class FilePath{
/**
* ¿ª·¢Öв»ÒªÊ¹ÓÃSystem.getProperty("user.dir")»ñÈ¡µ±Ç°Óû§Ä¿Â¼µÄÏà¶Ô·¾¶
* Ò²¾¡¿ÉÄܲ»ÒªÊ¹Óþø¶Ô·¾¶£¬Ê¹Óþø¶Ô·¾¶Ê±¿ÉÒÔÔÚÅäÖÃÎļþÖÐ ......
ÎÄ˼ÐÅÏ¢¼¼ÊõÓÐÏÞ¹«Ë¾www.vanceinfo.com£¨Å¦½»ËùÉÏÊдúÂ룺VIT£©³ÉÁ¢ÓÚ1995Ä꣬ÊÇÒ»¼ÒÐÅÏ¢¼¼Êõ·þÎñÌṩÉ̼°ÔÚÖйú¾ÓÁìÏȵØÎ»µÄÀë°¶Èí¼þ¿ª·¢¹«Ë¾Ö®Ò»¡£ÎÄ˼ÊǵÚÒ»¼ÒÔÚŦԼ¹ÉƱ½»Ò×ËùÉÏÊеÄÖйúÈí¼þ·þÎñÍâ°üÆóÒµ¡£¾Ý¹ú¼ÊÊý¾Ý¹«Ë¾(IDC)µÄͳ¼Æ, ÒÔ2007ÄêÏúÊÛ¶îºâÁ¿, ÎÄ˼ÐÅÏ¢¼¼ÊõÔÚΪŷÃÀÊг¡ÌṩÀë°¶Èí¼þ¿ª·¢ÐÐÒµÖÐλ¾ÓÖйúµÚÒ ......
If the requested address is not a valid virtual memory address (it doesn't belong to any of
the memory segments of the executing process), the page cannot be validated, and
a segmentation fault is generated. This vectors control to another part of the kernel and
usually results in the pro ......
Ê×ÏÈÁ˽âÏÂËùνµÄjava nioÊǸöʲô¶«Î÷£¡
IOÊÇ¿¿×Ö·û»ò×Ö½Ú½øÐд«Ê䣬±È½ÏÂý£¡ ¶øNIOÊÇ¿¿¿é£¬ Ò²¾ÍÏ൱ÓÚÒ»¸öBuffer£¬ Ò»¿éÒ»¿é
µÄ´«Ê䣬 ËٶȽϿì
£¡ ͬʱ¼ÓÈëÁ˶àÏß³Ì
µÄ¿ØÖÆ£¬ Ò»¸öNIOÁ÷¿ÉÒÔͬʱ´«Êä¶à¸ö¿éµÈ£¬ Ò²¾ÍÊÇËùνµÄÒì²½´«Êä
£»
´«Í³
µÄ²¢·¢ÐÍ
·þÎñÆ÷Éè¼ÆÊÇÀûÓÃ×èÈûÐÍÍøÂçI/O
ÒÔ¶àÏ̵߳ÄÄ ......