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

JavaÖ®Override OverloadÖ®¼äµÄÇø±ð


overrideÊǸ²Ð´£¬¶ÔÓ¦ÓÚOO±à³ÌµÄ¼Ì³ÐÌØÐÔ£¬Òâ˼¾ÍÊÇÔÚ×ÓÀàÖÐÖØÐ´¸¸ÀàÖеķ½·¨£»   
overloadÊÇÖØÔØ£¬¶ÔÓ¦ÓÚOO±à³ÌµÄ¶àÌ¬ÌØÐÔ£¬Òâ˼¾ÍÊÇÔÚͬһ¸öÀàÖÐͬÑùÃû³ÆµÄ¶à¸ö·½·¨£¬ Õâ¶à¸ö·½·¨Ö®¼äµÄÇø±ðÔÚËûÃǵIJÎÊýÁв»Í¬¡£
ÀýÈ磺
public interface UserDao {
public void save();
}
public class Override_Overload implements UserDao{
@Override
public void save() {
// TODO Auto-generated method stub
}
//ÒÔÏÂÈýÖз½¾ÍÊÇoverloadÊÇÖØÔØ
public int find(String name){
return 1;
}
public int find(String name,Long id){
return 1;
}
public int find(Long id){
return 1;
}
}


Ïà¹ØÎĵµ£º

JAVA³ÌÐòÔ±ÃæÊÔ32ÎÊ

JAVA³ÌÐòÔ±ÃæÊÔ32ÎÊ
µÚÒ»£¬Ì¸Ì¸final, finally, finalizeµÄÇø±ð¡£
final ÐÞÊηû£¨¹Ø¼ü×Ö£©Èç¹ûÒ»¸öÀà±»ÉùÃ÷Ϊfinal£¬Òâζ×ÅËü²»ÄÜÔÙÅÉÉú³öеÄ×ÓÀ࣬²»ÄÜ×÷Ϊ¸¸Àà±»¼Ì³Ð¡£Òò´ËÒ»¸öÀ಻Äܼȱ»ÉùÃ÷Ϊ abstractµÄ£¬ÓÖ±»ÉùÃ÷ΪfinalµÄ¡£½«±äÁ¿»ò·½·¨ÉùÃ÷Ϊfinal£¬¿ÉÒÔ±£Ö¤ËüÃÇÔÚʹÓÃÖв»±»¸Ä±ä¡£±»ÉùÃ÷ΪfinalµÄ±äÁ¿±ØÐëÔÚÉù ......

ÓÃInstallAnywhere´ò°üJava³ÌÐò°üº¬MySQLÊý¾Ý¿â

ÓÃInstallAnywhere´ò°üJava³ÌÐò°üº¬MySQLÊý¾Ý¿â
 
InstallAnywhere´ò°üJava³ÌÐòʱ¿ÉÒÔ×Ô¶¯Íê³ÉjreµÄ´ò°ü£¬µ«ÊÇÐèÒªMySQLÊý¾Ý¿âµÄ³ÌÐò¾ÍµÃÊÖ¶¯Ìí¼Ó¡£×ÊÁÏÌ«ÉÙ£¬¾À½áÁËÈýÌ죬ÖÕÓÚ½â¾ö
 
1¡¢  ÏÂÔØÂÌÉ«°æµÄMySQL£¬¿ÉÒÔÈ¥¹ÙÍøÏÂÔØ¡£ÍøÓÑÖÆ×÷ÁËMySQLµÄÂÌÉ«¾«¼òBat°æ£¨http://download.csdn.net/source/524812 ......

java퉀
ÏÈÉùÃ÷һϣ¬ÌâĿԭ³öÓÚ£ºhttp://gocom.primeton.com/modules/newbb/item60284_60284.htm
JVMÊÇJava³ÌÐòµÄÔËÐл·¾³£¬Òò´Ë¶ÔÓÚJVMµÄÕÆÎÕÓÐÖúÓÚÀí½âJava³ÌÐòµÄÖ´ÐÐÒÔ¼°±àд£¬ÓÈÆäÊÇÔËÐÐʱÅöµ½µÄһЩ¹îÒìÎÊÌ⣬ÄÇôÔõôÑùÄÜ¿¼²ì×Ô¼º¶ÔÓÚJVM¹Ø¼ü֪ʶµãµÄÕÆÎÕÇé¿ö£¬°ïÖúѧϰJVM»úÖÆÄØ£¬ÔÚÕâÆªblogÖÐÀ´Ì½ÌÖÏ¡£
¶ÔÓÚJava³ÌÐò¶øÑ ......

java³£ÓõÄListener·ÖÀà

ListenerÊÇServletµÄ¼àÌýÆ÷£¬Ëü¿ÉÒÔ¼àÌý¿Í»§¶ËµÄÇëÇó¡¢·þÎñ¶ËµÄ²Ù×÷µÈ¡££¨Í¨¹ý¼àÌýÆ÷£¬¿ÉÒÔ×Ô¶¯¼¤·¢Ò»Ð©²Ù×÷£¬±ÈÈç¼àÌýÔÚÏßµÄÓû§µÄÊýÁ¿¡£µ±Ôö¼ÓÒ»¸öHttpSessionʱ£¬¾Í¼¤·¢
sessionCreated(HttpSessionEvent se)·½·¨£¬ÕâÑù¾Í¿ÉÒÔ¸øÔÚÏßÈËÊý¼Ó1¡££©
Servlet ¼àÌýÆ÷ÓÃÓÚ¼àÌýÒ»Ð©ÖØÒªÊ¼þµÄ·¢Éú£¬¼àÌýÆ÷¶ÔÏóÔÚÊÂÇé·¢Éúǰ¡¢·¢ ......

javaÁ¬½ÓOracle

    »¨ÁËÁ½Ììʱ¼ä£¬ÖÕÓÚ°ÑaccessÊý¾Ý¿âÀïµÄÊý¾Ý»»µ½OracleÁË¡£µ±È»ÕâÆäÖÐÒª¸ÐлͬѧºÍ²©ÓѵÄÈÈÐİïÖúÀ­¡£ÏÖ½«½ñÌìµÄÊÕ»ñÕûÀíÏ¡£
    ÎÒÓõÄÊÇOracle 10 express edition°æ±¾£¬Õâ¸ö°æ±¾½¨Êý¾Ý¿âͦÂé·³µÄ£¬ËùÒÔÎÒ¾ÍÖ±½ÓÔÚËü×Ô´øµÄÊý¾Ý¿âXEϽ¨±íÁË¡£
    ×¢Ò⣺½¨±í¿ÉÒ»¶¨Òª ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ