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

³¬ÇáÁ¿¼¶JAVA¿ª·¢·½·¨(Ò»)

      ĿǰÒÔEclipseΪÖ÷µÄÖØÁ¿¼¶¿ª·¢¹¤¾ß´óÐÐÆäµÀ.ËäÈ»¼«Îª·½±ã.µ«Èí¼þ°²×°¶ÔÓÚϵͳÅäÖò»¸ßµÄµçÄÔ»òÕßСÏîÄ¿¿ª·¢·Ç³£²»Àû.ÔÚÒÆÖ²¹ý³ÌÖл¹ÓÐÅäÖÃÎÊÌâ.±È½ÏÂé·³.Òò´Ë¶ÔÓÚһЩ³¬Ð¡ÏîÄ¿,ʹÓÃÇáÁ¿¼¶µÄ¿ª·¢·½·¨,ÏÔµÃÓÉΪ±ØÒª.Ëùν³¬ÇáÁ¿¼¶,¾ÍÊÇÓÃ×î¼òµ¥µÄ¹¤¾ßÍê³ÉJAVAϵͳµÄ¿ª·¢.ÔÚ¿ª·¢µ±ÖÐÒ²¿ÉÒÔÁ˽âJAVAµÄ±àÒëÔËÐз½·¨.Á˽âÀ´ÁúÈ¥Âö.ÁíÍâ²»ÖÁÓÚÒ»Ììµ½ÍíÌýÓ²ÅÌÏì.
Ò».¿ª·¢»·¾³
     ¿ª·¢¹¤¾ß:¼Çʱ¾(UtralEdit) + JDK1.6
     ¿ª·¢Ä£Ê½:JSP+JavaBean 
     ƽ̨:APACHE-TOMCAT+JDK1.6+WIN32
¶þ.»·¾³ÅäÖü°ËµÃ÷
    ÉèÖû·¾³±äÁ¿(ÎҵĵçÄÔ-¸ß¼¶-»·¾³±äÁ¿[¿ÉÒÔ½«µ±Ç°µçÄԵĻ·¾³±äÁ¿Éè½øÈ¥,Ò²¿ÉÖ»ÉèÖøöÈ˵Ļ·¾³±äÁ¿])
    PATH E:\JDK\bin (ÒòΪBINĿ¼ÏÂÓÐJAVA.exe ¼ÓÈëÊÇΪÁË¿ÉÒÔÔËÐÐJAVAÃüÁî)
    JAVA_HOME E:\JDK(×ÜÈÃÎÒÏëÆðUNIXϵÄORACLE_HOME)
    CLASSPATH CLASSPATH=.;E:\JDK\lib\tools.jar;E:\JDK\lib\dt.jar ;(Õâ¸öÊÇΪÁËÕÒµ½ÀàÎļþ,ÆäÖÐ.;ÊÇÖ¸¶¨µ±Ç°Ä¿Â¼)
    Èç¹û²»Ö¸¶¨CLASSPATH  ÕâÌõ´íÎó»áºÜ³£¼û:cannot resolve symbol
Èý.µÚÈý·½JARÎļþ´ø°ü±àÒë
   ´øÂ·¾¶±àÒë·½·¨:ÔÚCMDÖÐÊäÈëÒÔÏÂÃüÁî
   E:\>javac MjLog.java -classpath E:\JDK\lib\commons-logging.jar
   ¿ÉÒÔ½«µÚÈý·½°ü´øÈë±àÒë.ÄãÏë¼ÓÈë±àÒëµÄÎļþ¿Éͳһ·Åµ½LIBĿ¼Ï±ãÓÚά»¤.


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 ......

JAVA »ñµÃIPµØÖ·

1. java »ñÈ¡ipµØÖ·µÄ´úÂë
    String loacalIp = "";
    try
   {
       InetAddress localhost = InetAddress.getLocalHost();
        loacalIp  =localhost.getHostAddress();
   ......

[zhuangzai]javaÈÝÆ÷

JavaÈÝÆ÷ÀàѧϰÐĵÃ
ÓÉÓÚÎÒ¶ÔC++±È½ÏÊìϤ£¬ËùÒÔѧϰJavaÓ¦¸ÃÖØµãÌå»áJava´øÀ´µÄиÅÄî¡£±¾ÎÄ»ù±¾ÉÏÊÇJava±ê×¼¿âÖм¯ºÏ¿ò¼ÜµÄ»ù±¾¸ÅÄûÓÐÀý×Ó¡£Ð´±¾ÎĵÄÄ¿µÄÔÚÓÚ·½±ãÎҺܳ¤Ê±¼äºóÈôÊÇÍüÁËÕâЩ¶«Î÷¿ÉÒÔͨ¹ýÕâÆ¬ÎÄÕÂѸËÙ»ØÒäÆðÀ´¡£
1. ½Ó¿Ú
Õû¸öJavaÈÝÆ÷ÀàµÄ»ù´¡ÊÇÈÝÆ÷½Ó¿Ú£¨ÀýÈçCollection£¬MapµÈ½Ó¿Ú£©£¬¶ø²»ÊÇÀà ......

dz̸JavaµÄÊäÈëÊä³öÁ÷

 JavaÓïÑÔµÄÊäÈëÊä³ö¹¦ÄÜÊÇÊ®·ÖÇ¿´ó¶øÁé»îµÄ£¬ÃÀÖв»×ãµÄÊÇ¿´ÉÏÈ¥ÊäÈëÊä³öµÄ´úÂë²¢²»ÊǺܼò½à£¬ÒòΪÄãÍùÍùÐèÒª°ü×°Ðí¶à²»Í¬µÄ¶ÔÏó¡£ÔÚJavaÀà¿âÖУ¬IO²¿·ÖµÄÄÚÈÝÊǺÜÅÓ´óµÄ£¬ÒòΪËüÉæ¼°µÄÁìÓòºÜ¹ã·º:±ê×¼ÊäÈëÊä³ö£¬ÎļþµÄ²Ù×÷£¬ÍøÂçÉϵÄÊý¾ÝÁ÷£¬×Ö·û´®Á÷£¬¶ÔÏóÁ÷£¬zipÎļþÁ÷....±¾ÎĵÄÄ¿µÄÊÇΪ´ó¼Ò×öÒ»¸ö¼òÒªµÄ½éÉÜ¡£ ......

JavaÏß³ÌÖ® InterruptedException Òì³£

 µ±Ò»¸ö·½·¨ºóÃæÉùÃ÷¿ÉÄÜ»áÅ׳öInterruptedException Ò쳣ʱ£¬ËµÃ÷¸Ã·½·¨ÊÇ¿ÉÄܻỨһµãʱ¼ä£¬µ«ÊÇ¿ÉÒÔÈ¡ÏûµÄ·½·¨¡£
Å×InterruptedExceptionµÄ´ú±í·½·¨ÓУº
1. java.lang.Object ÀàµÄ wait ·½·¨
2. java.lang.Thread ÀàµÄ sleep ·½·¨
3. java.lang.Thread ÀàµÄ join ·½·¨
-- ÐèÒª»¨µãʱ¼äµÄ·½·¨
Ö´ÐÐwait·½·¨µÄÏ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ