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

java ֪ʶµã×ܽá

//java½âÎö.mdbÎļþµÄ±íÃû¼¯ºÏ 
this.tableList.clear();
  
  conn = null;
  st = null;
  rs = null;
  Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
  String url ="jdbc:odbc:driver={Microsoft Access Driver (*.mdb)};DBQ="+dbName;//´ËΪNO-DSN·½Ê½ 
  //System.out.println("mdbÎļþ·¾¶£º"+dbName);
  
  conn=DriverManager.getConnection(url);
  conn.setCatalog(dbName);
  ResultSet tables = conn.getMetaData()
    .getTables(dbName,null,null,new String[]{"TABLE"});
 
  while(tables.next()){
   String str = tables.getString(3);//getXXX can only be used once here
   tableList.add(str);
  }


Ïà¹ØÎĵµ£º

javaÖÐ thisÓ÷¨

±ØÐëÓÃthis¹Ø¼ü×ÖµÄÈýÖÖÇé¿ö:
1.ÎÒÃÇÏëͨ¹ý¹¹Ôì·½·¨½«Íⲿ´«ÈëµÄ²ÎÊý¸³Öµ¸ø³ÉÔ±±äÁ¿,¶ø¹¹Ôì·½·¨µÄÐÎʽ²ÎÊýÓëÀà³ÉÔ±µÄ±äÁ¿ÃûÏàͬ,Õâʱ¾ÍÐèÒªthisÕâ¸ö¹Ø¼ü×ÖÀ´Çø±ð¾Ö²¿±äÁ¿ÓëÀà±äÁ¿;
2.¼ÙÉèÓÐÒ»¸öÈÝÆ÷ÀàºÍÒ»¸ö²¿¼þÀà,ÔÚÈÝÆ÷ÀàµÄij¸ö·½·¨ÖÐÒª´´½¨²¿¼þÀàµÄʵÀý¶ÔÏó,¶ø²¿¼þÀàµÄ¹¹Ôì·½·¨Òª½ÓÊÕÒ»¸ö´ú±íÆäËùÔÚÈÝÆ÷µÄ²ÎÊý,ÕâÊ±Ò²Ò ......

java¹ýÂËÆ÷¶ÔextÒì²½ÇëÇóÌø×ª

 1.java¹ýÂËÆ÷¶ÔextÒì²½ÇëÇóÌø×ª
Óû§·ÃÎʳ¬Ê±
½â¾öÁ½ÖÖÇé¿öϵÄÓû§·ÃÎʳ¬Ê±¡£
a£©ÆÕͨhttpÇëÇóµÄsession³¬Ê±¡£
b£©Òì²½httpÇëÇóµÄsession³¬Ê±£¬Ê¹ÓÃextºó´ó²¿·ÖµÄ½çÃæË¢Ð¶¼ÊÇÒì²½µÄajaxÇëÇó¡£
²»¹ÜÊÇÄÇÖÖÀàÐ͵ÄhttpÇëÇó×ÜÊÇ¿ÉÒÔÓÉÒ»¸ö¹ýÂËÆ÷À´²¶×½¡£
·ÖÀࣺÆÕͨhttpÇëÇóµÄheader²ÎÊýÖÐûÓÐx-requested-with: ......

¡¶JavaÃæÏò¶ÔÏó±à³Ì¡·Ñ§Ï°±Ê¼Ç18

1.FileÀàΪ¹ÜÀíÎļþºÍĿ¼ÌṩÁË·½·¨£¬Æä¶ÔÏó±íʾһ¸öÎļþ»òÕßĿ¼¡£ËüÌṩÁËÈô¸É·½·¨¶ÔÎļþ»òÎļþ¼Ð½øÐвÙ×÷¡£ÆäÖеÄlist()·½·¨ºÍlistFiles()·½·¨¿ÉÒÔÆðµ½¶¨Î»Ìض¨ÎļþµÄ×÷Óá£
2.ObjectÀ࣬ÊÇËùÓÐJavaÀàµÄ׿ÏÈ£¬ÈôÒ»¸öÀàÉùÃ÷ʱûÓаüº¬extends¹Ø¼ü×Ö£¬ÔòÆäÖ±½Ó¼Ì³ÐÓÚObjetcÀà¡£ÆäÖÐÓÐÐí¶àÖØÒª·½·¨£º
equals(),notify(), ......

javaÐÔÄÜÓÅ»¯¼¼ÇÉ

1.1 ²»ÓÃnew¹Ø¼ü´Ê´´½¨ÀàµÄʵÀý
¡¡¡¡
¡¡¡¡ÓÃnew¹Ø¼ü´Ê´´½¨ÀàµÄʵÀýʱ£¬¹¹Ô캯ÊýÁ´ÖеÄËùÓй¹Ô캯Êý¶¼»á±»×Ô¶¯µ÷Óᣵ«Èç¹ûÒ»¸ö¶ÔÏóʵÏÖÁËCloneable½Ó¿Ú£¬ÎÒÃÇ¿ÉÒÔµ÷ÓÃËüµÄclone()·½·¨¡£clone()·½·¨²»»áµ÷ÓÃÈκÎÀ๹Ô캯Êý¡£
¡¡¡¡
¡¡¡¡ÔÚʹÓÃÉè¼ÆÄ£Ê½£¨Design Pattern£©µÄ³¡ºÏ£¬Èç¹ûÓÃFactoryģʽ´´½¨¶ÔÏó£¬Ôò¸ÄÓÃclone( ......

c#Óëc¡¢javaµÄ¹ØÏµ

 C#´ÓJava¼Ì³Ð¶øÀ´µÄÌØµã
¡¡¡¡Àà:ÔÚC#ÖÐÀàµÄÉêÃ÷ÓëJavaºÜÏàËÆ.ÕâÊǺÏÀíµÄÒòΪ¾­Ñ鏿ËßÎÒÃÇJavaÄ£Ð͹¤×÷µÃºÜºÃ.JavaµÄ¹Ø¼ü×ÖimportÒѾ­±»Ìæ»»³Éusing,ËüÆðµ½ÁËͬÑùµÄ×÷ÓÃ.Ò»¸öÀ࿪ʼִÐÐµÄÆðµãÊǾ²Ì¬·½·¨Main().ÏÂÃæµÄHello World³ÌÐòչʾÁË»ù±¾µÄÐÎʽ:
¡¡¡¡using System;
¡¡¡¡class Hello
¡¡¡¡{
¡¡¡¡static v ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ