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

oracle¾ÓÈ»Äܵ÷ÓÃjava³ÌÐò

ÒÔǰֻ֪µÀjavaÄܵ÷ÓÃoracle´æ´¢¹ý³ÌºÍº¯Êý£¬µ«½ñÌìÎÒ·¢ÏÖÔ­À´oracleÒ²¿ÉÒÔµ÷ÓÃjava
²âÊÔ»·¾³oracle 10g
call dbms_java.set_output(5000);
--Ê×ÏÈÔÚoracleÖбàÒëjavaÎļþ ÒÔÏÂÊǸö¼òµ¥µÄ
create or replace and compile java source named helloworld as
public     class   helloworld    {
         static    public    String Message(String name)    {
            return     " Hello,   "    +    name;
        }
}
--È»ºóÓú¯Êýµ÷ÓÃjava
create or replace function hello (name VARCHAR2 )   return    VARCHAR2
      as language java name
       ' Hello.Message (java.lang.String) return java.lang.String ' ;
      
--µ÷Óú¯Êý
select hello( ' world! ' ) from dual;
À©Õ¹£º
1¡£ oracle±àÒëjava ÐèÒªclassÎļþÂ𣿠 ÔÚµçÄÔÖÐËÑË÷ûÓÐÕÒµ½¡£ ºÜÉñÆæ£¬ ûÓÐclass JVMÈçºÎµ÷ÓÃjavaµÄ£¿£¿
2¡£ Èç¹ûjava³ÌÐòÒª·µ»Ø¼¯ºÏÔõô°ì£¿
3¡£ oracle ±àÒëjava  ±¨´íÂ𣬠¿ÉÒÔÒì³£´¦ÀíÂð£¿


Ïà¹ØÎĵµ£º

JAVA ¶ÔÏóºÍÀà

String s = new Date().toString();¿ÉÒÔÖ±½Ó´´½¨ÍêжÔÏóºó¾ÍÁ¢¼´ÓÃÆäµÄ·½·¨¡£
Ò»¸ö¶ÔÏó±äÁ¿²¢Ã»ÓÐʵ¼Ê°üº¬Ò»¸ö¶ÔÏ󣬶øÊǽö½öÒýÓÃÒ»¸ö¶ÔÏó¡£
GregorianCalendarÀà
javaÉè¼ÆÕß¾ö¶¨°Ñ±£´æÊ±¼äÓë¸øÊ±¼äµãÃüÃû·Ö¿ªÀ´£¬ÕâÑù¾ÍÓÐÁ½¸öÀà,dateºÍGregorianCalendar.Ò»¸öÓÃÀ´±íʾʱ¼äµã£¬Ò»¸öÓÃÀ´±íʾ´ó¼ÒÊìϤµÄÈÕÀú±íʾ·¨¡£ÊÂ浃 ......

¡¾×ª¡¿JavaÖÐtoString()·½·¨

1£®toString£¨£©·½·¨
ObjectÀà¾ßÓÐÒ»¸ötoString()·½·¨£¬Äã´´½¨µÄÿ¸öÀà¶¼»á¼Ì³Ð¸Ã·½·¨¡£Ëü·µ»Ø¶ÔÏóµÄÒ»¸öString±íʾ£¬²¢ÇÒ¶ÔÓÚµ÷ÊԷdz£ÓаïÖú¡£È»¶ø¶ÔÓÚĬÈϵÄtoString()·½·¨ÍùÍù²»ÄÜÂú×ãÐèÇó£¬ÐèÒª¸²¸ÇÕâ¸ö·½·¨¡£
toString£¨£©·½·¨½«¶ÔÏóת»»Îª×Ö·û´®¡£¿´ÒÔÏ´úÂ룺
package sample;
class Villain {
  &nb ......

ÿ¸öÏîÄ¿ÖУ¬Äã²»µÃ²»ÖªµÄ11¸öJavaµÚÈý·½Àà¿â

µ¥Ôª²âÊÔ
1.
DBUnit
DBunitÊÇÒ»¸ö»ùÓÚjunitÀ©Õ¹µÄÊý¾Ý¿â²âÊÔ¿ò¼Ü¡£ËüÌṩÁË´óÁ¿µÄÀà¶ÔÓëÊý¾Ý¿âÏà¹ØµÄ²Ù×÷½øÐÐÁ˳éÏóºÍ·â×°¡£
2.MOckito
MockitoÊÇÒ»¸öÕë¶ÔJavaµÄmocking¿ò¼Ü¡£Äã¿ÉÒÔʹÓüò½àµÄAPI±àд³öƯÁÁµÄ²âÊÔ¡£
3.Hamcrest Matchers
Hamcrest ÊÇÒ»¸ö²âÊÔ¸¨Öú¹¤¾ß£¬ÌṩÁËÒ»Ì×ͨÓÃµÄÆ¥Åä·û Matcher£¬Áé»îʹÓÃÕâÐ ......

javaÖеĽӿÚ

        javaÖнӿÚÔÚ¿ª·¢ÖÐÕ¼ÖØÒªµØÎ»
   £¨1£©½Ó¿ÚÖеÄËùÓз½·¨¶¼ÊÇpublic abstract
   £¨2£©ÔÚ½Ó¿ÚÖÐÉùÃ÷·½·¨Ê±£¬²»ÄÜʹÓÃnative£¬static£¬final£¬synchronized£¬private£¬protectµÈÐÞÊηû£¬¼´Ö»ÄÜʹÓÃpublic abstract£¨Ä¬ÈÏ£©
    ......

java ·þÎñÆ÷µÄ¶Ô±È

TomcatÊÇÒ»¸ö¿ª·ÅÔ´´úÂë¡¢ÔËÐÐservletºÍJSP WebÓ¦ÓÃÈí¼þµÄ»ùÓÚJavaµÄWebÓ¦ÓÃÈí¼þÈÝÆ÷¡£TomcatÓÉApache-Jakarta×ÓÏîĿ֧³Ö²¢ÓÉÀ´×Ô¿ª·ÅÐÔÔ´´úÂëJavaÉçÇøµÄÖ¾Ô¸Õß½øÐÐά»¤¡£Tomcat ServerÊǸù¾ÝservletºÍJSP¹æ·¶½øÐÐÖ´Ðеģ¬Òò´ËÎÒÃǾͿÉÒÔ˵Tomcat ServerҲʵÐÐÁËApache-Jakarta¹æ·¶ÇұȾø´ó¶àÊýÉÌÒµÓ¦ÓÃÈí¼þ·þÎñÆ÷ÒªºÃ¡£×öÎ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ