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

javaºÍphpÊý×Ö´¦ÀíÉÏ

javaʹÓÃMathÀ࣬phpʹÓÃϵͳº¯Êý
ceil¹¦ÄÜ ´óÓÚµÈÓÚijÊý(³£ÓÃÓÚ·ÖÒ³Ò³Êý¼ÆË㣩
phpÖУºceil(a/b)
javaÖУº(int)Math.ceil((double)a/b))    Math.ceilÔÚjavaÖÐÐèÒª´«ÈëdoubleÐÍ£¬¶ø·µ»ØÒ²ÊÇdoubleÐÍ¡£×¢ÒâÕâÀïÓÃ(double)a/b²Å¿ÉÒÔ¡£
a/b,(dobule)(a/b)¶¼²»ÐС£ÒòΪËûÃÇ»áÏÈ×Ô¶¯ÉáÆúСÊýÈ¡µÃÕûÊý
flooer¹¦ÄÜ Ð¡ÓÚµÈÓÚijÊý
round¹¦ÄÜ È¡×î½Ó½üµÄÊý


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 ÀàµÄÒýÓÃ

 JAVA ÀàÒýÓÃÓг£Óõ½µÄÓÐÈýÖУº
µÚÒ»ÖÖ :super ÊǸ¸ÀàÒýÓã¬Í¨¹ýËü¿ÉÒÔ·ÃÎʸ¸ÀàµÄÊôÐԺͷ½·¨¡£
µÚ¶þÖÖ £ºthisÊǵ±Ç°ÀàµÄÒýÓá£Í¨¹ýËû¿ÉÒÔ·ÃÎʵ±Ç°ÀàµÄ·½·¨ºÍÊôÐÔ¡£
µÚÈýÖÖ£º×ÓÀàµÄÒýÓã¬ÎÒ³£Óø¸ÀàµÄ¶ÔÏóÈ¥·ÃÎÊ×ÓÀàµÄ¶ÔÏóÀ´ÊµÏÖ¶à̬¡£ÀýÈ磺ˮ¹ûÀà Ë®¹û=new Æ»¹ûÀࣨ£©£»
ÕâÑùÎÒÃÇ¿ÉÒÔͨ¹ý Ë®¹ûÕâ¸ö¶ÔÏóÈ¥·ÃÆ»¹ûÀ ......

ÓÃjavaÇó½âÒ»µÀȤζÌå:123456789²åÈë+£¬

 ×î½üÔÚCSDN£¬¿´µ½ÁËÒ»µÀȤζÌ⣺123456789Õâ¾Å¸ö°´Ë³ÐòÅÅÁеÄÊý£¬ÒªÇóÔÚËüÃÇÖ®¼ä²åÈëÈô¸É¸ö+£¬-£¬*£¬/ £¬Ê¹Æä½á¹ûÕýºÃµÈÓÚ
100È磺1*2*3*4+5+6+7*8+9=100¡£
¿´ÁËÌâÄ¿ºó£¬Ë¼¿¼Èç¹ûÓÃjavaÈçºÎʵÏÖ¡£ÒÔÏÂÊÇÎҵĽâÌâ˼·£º
˼Ïë±È½Ï¼òµ¥£¬ÏȽ«²åÈë+£¬-£¬*£¬/ºóµÄËùÓÐ×Ö·û´®¶¼Çî¾Ù³öÀ´£¬È»ºó¼ÆËãÄÄЩ×Ö·û´®µÈÓÚ100¡£
Õ ......

Oracle·ÖÒ³´æ´¢¹ý³Ì¼°javaµÄ¾ßÌåµ÷Ó÷½·¨

--°ü
create or replace package pkg_query as
  type cur_query is ref cursor;
end pkg_query;
--¹ý³Ì
CREATE OR REPLACE  PROCEDURE "PRC_QUERY" (p_tableName  
        in  varchar2,   --±íÃû
      & ......

JavaÐÂÊÖÈëÃźÜÖØÒªµÄ¼¸¸ö»ù±¾¸ÅÄî


¡¡finalÀࣺΪ·ÀÖ¹ËûÈË´ÓÄãµÄÀàÉÏÅÉÉúÐÂÀ࣬´ËÀàÊDz»¿ÉÀ©Õ¹µÄ¡£
¡¡¡¡¶¯Ì¬µ÷ÓñȾ²Ì¬µ÷Óû¨·ÑµÄʱ¼äÒª³¤¡£
¡¡¡¡³éÏóÀࣺ¹æ¶¨Ò»¸ö»ò¶à¸ö³éÏó·½·¨µÄÀà±¾Éí±ØÐ붨ÒåΪabstract¡£
¡¡¡¡Àý£º public abstract string getDescripition
¡¡¡¡JavaÖеÄÿһ¸öÀà¶¼ÊÇ´ÓObjectÀàÀ©Õ¹¶øÀ´µÄ¡£
¡¡¡¡objectÀàÖеÄequalºÍtoString·½·¨¡ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ