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
¶þ·Ö²éÕÒ£º
¶þ·Ö²éÕÒ±ÈÏßÐÔ²éÕÒÊý¶ÈÒªºÃºÜ¶à£¬ÓÈÆäÊǶԴóÊý×éÀ´Ëµ¸üΪÏÔÖø£¬¾ÍÏñÊDzÂ×ÖÓÎÏ·Ò»Ñù
²Â×ÖÓÎÏ·£º
¶þ·Ö²éÕҵķ½·¨ºÍÎÒÃÇСʱºòÍæµÄ²Â×ÖÓÎÏ·ÊÇÒ»ÑùµÄ¡£ÔÚÕâ¸öÓÎÏ·ÀïÃæ£¬ÓÐÒ»¸öСÅóÓÑ»áÈÃÄã²ÂËýÕýÔÚÏëµÄÒ»¸ö1ÖÁ100Ö®¼äµÄÊý£¬
Äã²ÂÁËÒ»¸öÊýÒÔºó£¬Ëý»á¸æËßÄãÈýÖÖÑ¡ÔñÖеÄÒ»¸ö£ºÄã² ......
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 ......
ÎÄÕÂÀ´Ô´£ºhttp://www.blogjava.net/midea0978/archive/2008/01/17/175953.html
1¡¢Ê×Ïȵ½ÇëÏÂÔØ×îа汾µÄJava Service Wrapper£¬µãÎÒÏÂÔØ¡£
2¡¢×¼±¸ÈçÏÂÎļþ£¬¸´ÖƵ½testĿ¼£¬ÕâЩÎļþ¿ÉÒÔ´ÓÏÂÔØ°üÖÐÕÒµ½£º
wrapper.dll
wrapper.exe
wrapper.jar
3¡¢±àдwrapper.conf£¬Ò²·ÅÔÚͬһ¼¶Ä¿Â¼ÏÂÃæ£¬ÄÚÈÝÈçÏÂ
# Jav ......
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¡¢·¢ ......
»¨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 ......