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# ./ jdk-6u6-linux-i586-rpm.bin
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           # mkdir /usr/java
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£¨1£©¡¢´ò¿ªÎļþ£º#   vi   /etc/profile
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export   JAVA_HOME=/usr/java/ jdk1.6.0_06
export   PATH=$JAVA_HOME/bin:$PATH
export   CLASSPATH=.:JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
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                                     # java
                                     #java –version
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ÈÃÎÒÒ»¼ûÖÓÇéµÄjava web mvc ¿ò¼Ü£ºVraptor3

Ç°¶Îʱ¼ä¹«Ë¾¿ªÊ¼ÓÃSSH¿ò¼Ü£¬ÒòΪÒÔǰûÓÐÓùý£¬Ï¸ö¼¸¸ödemo¿´¿´£¬·¢ÏÖÏëÀí½âStructs2µÄÁ÷³ÌÕæÊÇÀ§ÄÑ£»ºóÀ´ÓÖÏëÕûºÏExt½øÐнçÃ濪·¢£¬ÉÏÍøÕÒ×ÊÁÏ£¬·¢ÏÖÓÃStructsÕûºÏAjax»¹ÕæÊÇÂé·³£¬²»½öǰ̨Ҫ×öÐ޸ģ¬ºǫ́»¹Òª¸ÄÅäÖÃÎļþÒÔ¼°actionÀ࣬Õæ²»ÖªµÀÕâÑùµÄ¶«Î÷×öÍêÁ˸ÃÔõôÑùȥά»¤£¡¼ÌÐøÔÚÍøÉÏÕÒÖÕÓÚ±»ÎÒ·¢ÏÖÁËVraptor£¬¸Ã¿ò ......

javaϵͳ¼à¿ØCPU ´ÅÅÌ


import java.io.*;   
  
/**
* linux ÏÂcpu ÄÚ´æ ´ÅÅÌ jvmµÄʹÓüà¿Ø
* @author avery_leo
*
*/  
public class TT {   
    /**
      * »ñÈ¡cpuʹÓÃÇé¿ö
      * @return
&nbs ......

JMM JavaµÄÄÚ´æÄ£ÐÍ

JavaµÄÄÚ´æÄ£ÐÍJMM£¨Java Memory Model£©JMMÖ÷ÒªÊÇΪÁ˹涨ÁËÏ̺߳ÍÄÚ´æÖ®¼äµÄһЩ¹Øϵ¡£¸ù¾ÝJMMµÄÉè¼Æ£¬ÏµÍ³´æÔÚÒ»¸öÖ÷ÄÚ´æ(Main Memory)£¬JavaÖÐËùÓÐʵÀý±äÁ¿¶¼´¢´æÔÚÖ÷´æÖУ¬¶ÔÓÚËùÓÐÏ̶߳¼Êǹ²ÏíµÄ¡£Ã¿ÌõÏ̶߳¼ÓÐ×Ô¼ºµÄ¹¤×÷ÄÚ´æ(Working Memory)£¬¹¤×÷ÄÚ´æÓÉ»º´æºÍ¶ÑÕ»Á½²¿·Ö×é³É£¬»º´æÖб£´æµÄÊÇÖ÷´æÖбäÁ¿µÄ¿½±´£¬»º´ ......

java·´Éä»úÖÆѧϰ

     ·´Éä»úÖÆ:ËùνµÄ·´Éä»úÖƾÍÊÇjavaÓïÑÔÔÚÔËÐÐʱӵÓÐÒ»Ïî×Ô¹ÛµÄÄÜÁ¦¡£Í¨¹ýÕâÖÖÄÜÁ¦¿ÉÒÔ³¹µ×µÄÁ˽â×ÔÉíµÄÇé¿öΪÏÂÒ»²½µÄ¶¯×÷×ö×¼±¸¡£ÏÂÃæ¾ßÌå½éÉÜÒ»ÏÂjava
µÄ·´Éä»úÖÆ¡£ÕâÀïÄ㽫µß¸²Ô­À´¶ÔjavaµÄÀí½â¡£
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ubntuÏÂjavaÖÐÎÄÂÒÂë½â¾ö

cd /usr/lib/jvm/java
-1.5.0-sun-1.5.0.15/jre/lib/fonts
sudo mkdir fallback
cd fallback
sudo cp /usr/share/fonts/truetype/arphic/uming.ttc /usr/lib/jvm/java
-1.5.0-sun-1.5.0.15/jre/lib/fonts/fallback
sudo mkfontdir
sudo mkfontscale ......
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