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
Java NIO APIÏê½â
ÔÚJDK
1.4ÒÔÇ°£¬JavaµÄIO²Ù×÷¼¯ÖÐÔÚjava.ioÕâ¸ö°üÖУ¬ÊÇ»ùÓÚÁ÷µÄ×èÈû£¨blocking£©API¡£¶ÔÓÚ´ó¶àÊýÓ¦ÓÃÀ´Ëµ£¬ÕâÑùµÄAPIʹÓúܷ½
±ã£¬È»¶ø£¬Ò»Ð©¶ÔÐÔÄÜÒªÇó½Ï¸ßµÄÓ¦Óã¬ÓÈÆäÊÇ·þÎñ¶ËÓ¦Óã¬ÍùÍùÐèÒªÒ»¸ö¸üΪÓÐЧµÄ·½Ê½À´´¦ÀíIO¡£´ÓJDK 1.4Æð£¬NIO
API×÷Ϊһ¸ö»ùÓÚ»º³åÇø£¬²¢ÄÜÌṩ·Ç×èÈû(non-blo ......
±¾ÎÄÊÇÓÉJRÖ÷³Öд×÷µÄ¡¶J2SE½ø½×¡·Ò»ÊéµÄ²¿·ÖÕ½ÚÕûÀí¶ø³É£¬¡¶J2SE½ø½×¡·ÕýÔÚд×÷¡¢ÍêÉƽ׶Ρ£ÄúÔĶÁºó£¬ÓÐÈκν¨Òé¡¢ÅúÆÀ£¬ÇëºÍÎÒÁªÏµ£¬»òÔÚhttp://www.javaresearch.org/forum/thread.jsp?column=376&thread=7576' target='_blank' class='l2'>Õâ¶ùÁôÑÔ¡£¡¶J2SE½ø½×¡·Ð´×÷ÏîÄ¿×é¸ÐлÄúÔĶÁ±¾ÎÄ¡£
ÔÚµ±½ñÕ ......
Enum×÷ΪSunÈ«ÐÂÒý½øµÄÒ»¸ö¹Ø¼ü×Ö£¬¿´ÆðÀ´ºÜÏóÊÇÌØÊâµÄclass, ËüÒ²¿ÉÒÔÓÐ×Ô¼ºµÄ±äÁ¿£¬¿ÉÒÔ¶¨Òå×Ô¼ºµÄ·½·¨£¬¿ÉÒÔʵÏÖÒ»¸ö»òÕ߶à¸ö½Ó¿Ú¡£ µ±ÎÒÃÇÔÚÉùÃ÷Ò»¸öenumÀàÐÍʱ£¬ÎÒÃÇÓ¦¸Ã×¢Òâµ½enumÀàÐÍÓÐÈçϵÄһЩÌØÕ÷¡£
¡¡ ......
ÏëÏë×Ô¼ºÃ÷Äê¾ÍÒª±ÏÒµÁË£¬µ«×Ô¼ºÐÄÀï×ÜÊǺܵ£ÐÄ£¬Ò²²»ÖªµÀ×Ô¼ºÑ§Õâ¸öµ½µ×ÊǶԻ¹ÊÇ´í£¡×ÜÊÇÌý˵ÏÖÔÚ×ö³ÌÐòµÄ¹¤×÷²»ºÃÕÒ£¬¹¤×ʺܵͣ¬ÏÖÔÚÓкöàͬѧ¶¼Ã»Ñ§ÁË£¬Ò²²»ÖªµÀ×Ô¼ºÊDz»ÊÇ»¹Òª¼á³ÖÏÂÈ¥£¬ÊDz»ÊÇ»¹ÒªjiavaÕâÌõ·¡£¸Ð¾õºÃÃÔã....... ......
--°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
& ......