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

Java´ò°ü³É¿ÉÖ´ÐÐÎļþ²½ÖèÏê½â

ºËÐÄ˼Ï룺°Ñº¬main·½·¨µÄÈë¿ÚÀàÌí¼Óµ½MANIFEST.MFÎļþÖС£
²½Ö裺
¼ÙÉèÓÐÁ½¸öÀàÎļþÒª´ò°ü£¬ËüÃÇ·Ö±ðÊôÓÚ²»Í¬µÄpackage¡£
package com.test.jar;   
import java.awt.*;   
import javax.swing.*;   
public class Jar extends JFrame   
{   
     public Jar()   
     {   
           Toolkit kit = Toolkit.getDefaultToolkit();   
           setIconImage(kit.getImage("img/ico.gif"));   
           setTitle("JarTest");   
           setSize(300, 200);   
           setVisible(true);   
           setDefaultCloseOperation(EXIT_ON_CLOSE);   
     }   
}   
///////
package com.test.jar;   
import java.awt.*;   
import javax.swing.*;   
public class Jar extends JFrame   
{   
     public Jar()   
     {   
           Toolkit kit = Toolkit.getDefaultToolkit();   
           setIconImage(kit.getImage("img/ico.gif"));   
           setTitle("JarTest");   
           setSize(300, 200);   
      &nb


Ïà¹ØÎĵµ£º

javaÈëÃÅ

 Javaѧϰ´ÓÈëÃŵ½¾«Í¨ 
Ò»¡¢ JDK (Java Development Kit) 
JDKÊÇÕû¸öJavaµÄºËÐÄ£¬°üÀ¨ÁËJavaÔËÐл·¾³£¨Java Runtime Envirnment£©£¬Ò»¶ÑJava¹¤¾ßºÍJava»ù´¡µÄÀà¿â(rt.jar)¡£²»ÂÛʲôJavaÓ¦Ó÷þÎñÆ÷ʵÖʶ¼ÊÇÄÚÖÃÁËij¸ö°æ±¾µÄJDK¡£Òò´ËÕÆÎÕJDKÊÇѧºÃJavaµÄµÚÒ»²½¡£×îÖ÷Á÷µÄJ ......

sql 2005 ´æ´¢¹ý³Ì·ÖÒ³ java ´úÂë

 create PROCEDURE pagelist
@tablename nvarchar(50),
@fieldname nvarchar(50)='*',         
@pagesize int output,--ÿҳÏÔʾ¼Ç¼ÌõÊý
@currentpage int output,--µÚ¼¸Ò³
@orderid nvarchar(50),--Ö÷¼üÅÅÐò
@sort int,--ÅÅÐò·½Ê½£¬1±íʾÉýÐò£¬0±íʾ½µÐòÅÅÁÐ ......

Java NIO APIÏê½â

 
Java NIO APIÏê½â
ÔÚJDK
1.4ÒÔǰ£¬JavaµÄIO²Ù×÷¼¯ÖÐÔÚjava.ioÕâ¸ö°üÖУ¬ÊÇ»ùÓÚÁ÷µÄ×èÈû£¨blocking£©API¡£¶ÔÓÚ´ó¶àÊýÓ¦ÓÃÀ´Ëµ£¬ÕâÑùµÄAPIʹÓúܷ½
±ã£¬È»¶ø£¬Ò»Ð©¶ÔÐÔÄÜÒªÇó½Ï¸ßµÄÓ¦Óã¬ÓÈÆäÊÇ·þÎñ¶ËÓ¦Óã¬ÍùÍùÐèÒªÒ»¸ö¸üΪÓÐЧµÄ·½Ê½À´´¦ÀíIO¡£´ÓJDK 1.4Æð£¬NIO
API×÷Ϊһ¸ö»ùÓÚ»º³åÇø£¬²¢ÄÜÌṩ·Ç×èÈû(non-blo ......

Java¼æÈÝÐÔÓ밲ȫÐÔÉèÖÃ


    ΪÁËʹ²Ù×÷ϵͳ֧³ÖJava£¬¿ÉÓÉSun¹«Ë¾µÄJavaÏÂÔØÍøÒ³, ¸ù¾Ý²Ù×÷ϵͳÀàÐÍÏÂÔØºÍ°²×°Ò»¸öÃâ·ÑJRE(Java Runtime Environment), ÀýÈç, JRE6¡£È»ºó, ½«±¾ÎļþÏÂÔØ±£´æ, ¿½±´, ²¢Õ³Ìùµ½JREËùÔÚµÄsecurityĿ¼, ÀýÈç, C:/Program Files/Java/jre6/lib/security/, Ìæ»»Ô­ÓеÄÎļþjava.policy, ÉèÖÃJREÍê³É¡£ ......

ÓûìÏýÆ÷±£»¤ÄãµÄJAVA(.class)´úÂë(Ò»)

JAVA´úÂë±àÒëºóÊÇ.classÎļþ,ͨ¹ý·´±à¹¤¾ßºÜÈÝÒ×±»±ðÈË¿´µ½Ô´´úÂë
±£»¤JAVA´úÂëµÄ·½·¨ºÜ¶à£¬ÏÂÃæ½éÉÜÒ»ÖֱȽϷ½±ãʹÓõķ½·¨¡£
   obfuscate4eÊÇÒ»¿î²ÉÓûìÏýÆ÷¸Ä±äCLASSÎļþÄÚÈݵķ½·¨¡£
ÏÂÎĽ«½éÉܾßÌåºÍeclipseµÄÕûºÏ·½·¨
1.ÏÂÔØobfuscate4e,¼ÓÈëÕ¾µãhttp://obfuscate4e.org/updates/,Õâ¸öÈí¼þÊǵ¹úÈË¿ª· ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ