Ò׽ؽØͼÈí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

java»·¾³±äÁ¿ÅäÖÃ[ÕûÀí]

JDKµÄ°²×°Â·¾¶
-------------
±äÁ¿Ãû JAVA_HOME
±äÁ¿ÖµÊ¾Àý D:\Program Files\Java\jdk1.6.0;
ËÑË÷ÀàµÄĿ¼
------------
±äÁ¿Ãû CLASSPATH
±äÁ¿ÖµÊ¾Àý D:\Program Files\Java\jdk1.6.0\lib\tools.jar;
    D:\Program Files\Java\jdk1.6.0\lib\dt.jar;
JdkµÄbinĿ¼
------------
±äÁ¿Ãû PATH(ÒÑ´æÔÚ)
±äÁ¿ÖµÊ¾Àý D:\Program Files\Java\jdk1.6.0\bin


Ïà¹ØÎĵµ£º

Win7ϵͳÏÂJava»·¾³±äÁ¿µÄÅäÖÃ

win7ϵͳÏÂJava»·¾³±äÁ¿µÄÅäÖà       Jdk°æ±¾Îª1.6
´ò¿ª¿ØÖÆÃæ°å->Óû§ÕÊ»§->¸ü¸ÄÎҵĻ·¾³±äÁ¿
±äÁ¿Ãû£ºJAVA_HOME
±äÁ¿Öµ£ºD:\Program Files\Java\jdk1.6.0_12(ÕâÖ»ÊÇÎÒµÄJDK°²×°Â·¾¶)
±äÁ¿Ãû£ºPath
ÔÚ±äÁ¿ÖµµÄ×îÇ°Ãæ¼ÓÉÏ£º%JAVA_HOME%\bin;£¨ÈôÒѾ­ÓÐPathÏÎÞÐëÁíÍâР......

javaÖÐabstractÓëinterface

   abstract  classºÍinterfaceÊÇJavaÓïÑÔÖжÔÓÚ³éÏóÀඨÒå½øÐÐÖ§³ÖµÄÁ½ÖÖ»úÖÆ£¬ÕýÊÇÓÉÓÚÕâÁ½ÖÖ»úÖƵĴæÔÚ£¬²Å¸³ÓèÁËJavaÇ¿´óµÄÃæÏò¶ÔÏóÄÜÁ¦¡£ abstract  classºÍinterfaceÖ®¼äÔÚ¶ÔÓÚ³éÏóÀඨÒåµÄÖ§³Ö·½Ãæ¾ßÓкܴóµÄÏàËÆÐÔ£¬ÉõÖÁ¿ÉÒÔÏ໥Ìæ»»£¬Òò´ËºÜ¶à¿ª·¢ÕßÔÚ½øÐгéÏóÀඨÒåʱ¶ÔÓÚ abstract  cl ......

Java HTML ParserÓ¦ÓÃ

×î½üÒòΪÏîÄ¿ÐèÒª£¬Ñо¿ÁËjava html parserÀà¿âµÄÓ¦Ó᣼ǼÏÂʹÓÃÒªµã£º
Ö÷ÒªµÄÀà˵Ã÷£º
1¡¢ParserÀà
½âÎöÆ÷Ö÷À࣬¸ºÔðÔØÈëHTML´úÂë²¢½âÎö¡£
2¡¢Node½Ó¿Ú
ÓÃÀ´±íÕ÷ÔÚ½âÎö¹ý³ÌÖÐʹÓõÄÓï·¨µ¥Ôª¡£Ê¾ÀýÈç϶Îhtml´úÂ룺
<span> ----Tag node
text ----Text Node
</span>
Îı¾ºÍ±êÇ©¶¼ÊǶÀÁ¢µÄnodeÔªËØ¡ ......

javaÁ·Ï°Ì⣬ºÜÈõÖÇ£¬µ«±Ï¾¹¾ø´ó²¿·ÖÊÇ×Ô¼ºÐ´µÄ

import java.io.*;
public class CheckVirusFile

   int virusCount=0,del_count=0,spe_count=0,nameCount=0;
   //ÓõݹéµÄ·½·¨¼ì²éFileÀàÐ͵IJÎÊýÊÇÎļþ»¹ÊÇĿ¼
   public void judgeDir(File virFile)
   {   
  if(!virFile.isDir ......

Java ÀíÂÛºÍʵ¼ù: ÓÃÈíÒýÓÃ×èÖ¹ÄÚ´æй© 2

ÔÚ Java ÀíÂÛºÍʵ¼ù µÄ Ç°Ò»ÆÚÎÄÕ ÖУ¬Java™ Çå½à¹¤³Ìʦ Brian Goetz ̽¾¿ÁËÈõÒýÓã¨weak references£©£¬ËüÈÃÄú¾¯¸æÀ¬»øÊÕ¼¯Æ÷£¬ÄúÏëҪά»¤Ò»¸ö¶ÔÏóµÄÒýÓ㬶ø²»»á×èÖ¹¸Ã¶ÔÏó±»À¬»øÊÕ¼¯¡£ÔÚ±¾ÆÚÎÄÕÂÖУ¬Ëû½«½âÊÍ Reference ¶ÔÏóµÄÁíÍâÒ»ÖÖÐÎʽ£¬¼´ÈíÒýÓã¨soft references£©£¬ÓÃÓÚ°ïÖúÀ¬»øÊÕ¼¯Æ÷¹ÜÀíÄÚ´æʹÓúÍÏû³ýÇ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ