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

JAVA ÏîÄ¿¾­ÀíµÄÖ°Ôð¸ÅÊö

ÏîÄ¿¾­ÀíµÄÖ°Ôð£º
1¡¢»ù±¾Ö°Ôð¾ÍÊÇÈ·±£ÏîĿĿ±êµÄʵÏÖ£¬Áìµ¼ÏîÄ¿ÍŶÓ׼ʱ¡¢ÓÅÖʵØÍê³ÉÈ«²¿¹¤×÷¡£
2¡¢Óë¿Í»§¹µÍ¨£¬Á˽âÏîÄ¿µÄÕûÌåÐèÇó¡£²¢Óë¿Í»§±£³ÖÒ»¶¨µÄÁªÏµ£¬¼°Ê±·´À¡½×¶ÎÐԳɹû£¬¼°Ê±¸ü¸Ä¿Í»§Ìá³öµÄºÏÀíÐèÇó¡£
3¡¢Öƶ¨ÏîÄ¿¿ª·¢¼Æ»®Îĵµ£¬Á¿»¯ÈÎÎñ£¬²¢ºÏÀí·ÖÅ䏸Ïà¹ØÈËÔ±¡£
4¡¢¸ú×ÙÏîÄ¿½ø¶È£¬Ð­µ÷ÏîÄ¿×é³ÉÔ±Ö®¼äµÄºÏ×÷¡£
5¡¢¼à¶½Éú²úÏîÄ¿½øÕ¹¸÷½×¶ÎµÄÎĵµ£¬²¢ÓëQA¼°Ê±¹µÍ¨£¬±£Ö¤ÎĵµÖÊÁ¿ºÍ¹æ·¶¡£
6¡¢¿ª·¢¹ý³ÌÖеÄÐèÇó±ä¸ü£¬ÏîÄ¿¾­ÀíÐèÒª¸ú¿Í»§Á˽âÐèÇó£¬ÔÚÎÞ·¨ÅжϵÄÐèÇó¶ÔÏîÄ¿µÄÕûÌåÓ°Ïì³Ì¶ÈµÄÇé¿öÏ£¬ÐèÒªÓëÏîÄ¿×é³ÉÔ±ÉÌÁ¿£¬×îºó¾ö¶¨ÊÇ·ñ½ÓÊܿͻ§µÄÐèÇó£¬È»ºóÔÙ¸ú¿Í»§Ð­ÉÌ¡£È·¶¨Òª±ä¸üÐèÇóµÄÇé¿öÏ£¬Ðè²úÉú±ä¸üÎĵµ£¬¸ü¸Ä¿ª·¢¼Æ»®£¬Í¨ÖªQA¡£
7¡¢ÏîÄ¿Ìá½»²âÊÔºó£¬ÏîÄ¿¾­ÀíÐèÁ˽â²âÊÔ½á¹û£¬¸ù¾Ý²âÊÔbugµÄÑÏÖØ¶ÈÀ´ÖØÐ¸ü¸Ä¿ª·¢¼Æ»®¡£
8¡¢ÏòÉϼ¶»ã±¨¡£ÏòÉϼ¶»ã±¨ÏîÄ¿µÄ½øÕ¹Çé¿ö£¬ÐèÇó±ä¸üµÈËùÓÐÏîÄ¿ÐÅÏ¢¡£
9¡¢ÏîÄ¿Íê³ÉʱÐè½øÐÐÏîÄ¿×ܽᣬ²úÉúÏîÄ¿×ܽáÎĵµ¡£
ÏîÄ¿¾­ÀíµÄȨÀû£º
1¡¢¿ª·¢Ö¸»ÓȨ¡£ÏîÄ¿¿ª·¢ÈËÔ±µÄ·ÖÅäºÍµ÷Õû¡£
2¡¢¼¼Êõ¾ö²ßȨ¡£Ö÷ÒªÊÇÉó²éºÍÅú×¼ÖØ´ó¼¼Êõ´ëÊ©ºÍ¼¼Êõ·½°¸£¬ÒÔ·À¾ö²ßʧÎó£¬Ôì³ÉÖØ´óËðʧ¡£
3¡¢ÉêÇëЭ×÷Ȩ¡£ÏîÄ¿·¢Õ¹³öÏÖ²»Äܽâ¾öµÄÎÊÌâʱºò£¬¿ÉÒÔÏòÉϼ¶ÉêÇëЭÖú¡£
4¡¢¿¼ºË³ÉԱȨ¡£¿¼ºËÏîÄ¿×é³ÉÔ±£¬ÊÓ¾õºÍ²âÊÔ×éÖ»¿¼ºË×鳤¡£
±¸Ñ¡Á÷³Ì£º
1¡¢Ã¿ÖÜÏÂÎ磬ÏîÄ¿¾­ÀíÕÙ¼¯¸ÃÏîÄ¿µÄÏà¹ØÈËÔ±×öÏîĿÿÈÕ×ܽᣬÄÚÈݰüÀ¨£º
 a¡¢Á˽âÿ¸ö³ÉÔ±µÄ¹¤×÷½ø¶ÈÇé¿ö¡£
 b¡¢Á˽â³ÉÔ±ÔÚ¹¤×÷µ±ÖÐÓöµ½µÄÀ§ÄÑ£¬²¢Ñ°ÕÒ×ÊÔ´½â¾ö¡£
 c¡¢³ÉÔ±Ö®¼äµÄÅäºÏÊÇ·ñЭµ÷Ò»Ö¡£
 d¡¢ÈçÓÐÐèÒª£¬¸ù¾Ýµ±Ç°µÄ½øÕ¹Çé¿öµ÷ÕûÏîÄ¿¼Æ»®¡£
 e¡¢°²ÅÅÿ¸ö³ÉÔ±µÚ2ÌìµÄ¹¤×÷¡£
 
 f¡¢Èç¹û¿¼Âǵ½ÏîÄ¿µ±Ç°µÄ½øÕ¹×´Ì¬¿ÉÄܵ¼ÖÂÏîÄ¿ÑÓÆÚ£¬ÔòÏîÄ¿¾­ÀíÓÐȨ°²ÅÅÏîÄ¿×é¼Ó°à£¬ÒÔ±£Ö¤¹¤ÆÚ¡£
2¡¢Èç¹ûÏîÄ¿¾­Àí½Óµ½ÐÂÐèÇó£¬ÔÚÔòÏîÄ¿¾­ÀíÓ¦¸ÃÔÚÏÂÎçµÄÏîÄ¿×ܽá»áÉÏÌá³ö£¬²¢·ÖÅä°²ÅŹ¤×÷¡£³ý·ÇÐÂÐèÇóÌØ±ð½ô¼±»òÓ°Ïìµ½ÏîÄ¿×鵱ǰÕýÔÚ½øÐеÄÈÎÎñ£¬ÐèÒªÕÙ¼¯ÏîÄ¿×é³ÉÔ±½ô¼±ÌÖÂÛÍ⣬·ñÔò²»Ó¦´ò¶ÏÏîÄ¿×éµÄµ±Ç°¹¤×÷¡£


Ïà¹ØÎĵµ£º

java rmiºÍsocketÖ®±È½Ï

RMIÊÇJavaµÄÒ»×éÓµ»¤¿ª·¢·Ö²¼Ê½Ó¦ÓóÌÐòµÄAPI¡£RMI ʹÓÃJavaÓïÑÔ½Ó¿Ú¶¨ÒåÁËÔ¶³Ì¶ÔÏó£¬Ëü¼¯ºÏÁËJavaÐòÁл¯ºÍJavaÔ¶³Ì·½·¨Ð­Òé(Java Remote Method Protocol)¡£¼òµ¥µØËµ£¬ÕâÑùʹԭÏȵijÌÐòÔÚͬһ²Ù×÷ϵͳµÄ·½·¨µ÷Ó㬱ä³ÉÁ˲»Í¬²Ù×÷ϵͳ֮¼ä³ÌÐòµÄ·½·¨µ÷Óã¬ÓÉÓÚJ2EEÊÇ·Ö²¼Ê½³ÌÐòƽ̨£¬ËüÒ» RMI»úÖÆÊµÏÖ³ÌÐò×é¼þÔÚ²»Í¬²Ù×÷ÏµÍ ......

ÀûÓÃjavaÄÚ´æÓ³ÉäÎļþ»úÖÆÊµÏÖCRCÑ­»·ÈßÓàУÑé

import java.nio.MappedByteBuffer;   
import java.nio.channels.FileChannel;   
import java.util.zip.CRC32;   
public static void main(String[] args){   
        & ......

JavaÖÐUnderlying input stream returned zero bytes

Òì³£ Underlying input stream returned zero bytes ½â¾ö°ì·¨
ϵͳ»·¾³
jdk1.5
hibernate 3.0
sql server 2000
ms jdbc driver
½«Ò»¸övarcharÀàÐ͵Ä×ֶθÄΪtextºó£¬¾Í³öÏÖ
[Microsoft][SQLServer 2000 Driver for JDBC]Underlying input stream returned zero bytes µÄÒì³£ÁË¡£
´ÓÍøÉÏËѼ¯×ÊÁÏÀ´¿´£¬ÓÉÓÚjdbcµÄbug ......

ÈçºÎÔÚOracleÖÐʹÓÃJava´æ´¢¹ý³Ì (Ïê½â)

Æäʵ£¬ÕâÆª¶ÌÎÄ£¬ÎÒÔç¾ÍÓ¦¸ÃдÁË¡£ÒòΪ£¬java´æ´¢¹ý³Ì½ñºóÔÚ¸÷´óÊý¾Ý¿â³§ÉÌÖÐÔ½À´Ô½Á÷ÐУ¬¹¦ÄÜÒ²Ô½À´Ô½Ç¿´ó¡£ÕâÀïÒÔOracleΪÀý£¬½éÉÜÒ»ÏÂjava´æ´¢¹ý³ÌµÄ¾ßÌåÓ÷¨¡£
Ò»¡¢ÈçºÎ´´½¨java´æ´¢¹ý³Ì£¿
ͨ³£ÓÐÈýÖÖ·½·¨À´´´½¨java´æ´¢¹ý³Ì¡£
1. ʹÓÃoracleµÄsqlÓï¾äÀ´´´½¨£º
e.g. ʹÓÃcreate or replace and compile java source ......

ÓÃJavaдÅÀÍøÒ³µÄС¹¤¾ß

ÆäʵҲ²»ÊÇÅÀÍøÒ³£¬Ö»ÊÇ´ÓÒ»¸öXMLÎļþÈ¡URL£¬È»ºó×¥È¡ÍøÒ³ÄÚÈÝ¡£
Ö÷ÒªÓм¸µã£¬±¸Íü£º
1. È«¾Ö´úÀí£¬ÉèÖÃÖ®ºóËùÓеÄURL¶¼Ê¹Óô˴úÀí£¬ÕâÑù¿ÉÒÔÖ±½Óµ÷ÓÃFileUtils.copyURLToFile£º
private void initProxy(String host, int port,
final String username, final String password) {
Authenticator.setDefault(new Aut ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ