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

ÉîÈëÀí½âjava¶à̬ÐÔ

Ìù×ÓÖв¿·ÖÔ´´úÂëÕª×ÔcsdnµÄһƪÌû×Ó£¬ ²Î¿¼ÁËËûÃǵÄÀí½â£¬ËµËµ×Ô¼ºµÄһЩ¼û½â£º
//Ô´´úÂ룺
class A {
         public String show(D obj){
                return ("A and D");
         }
         public String show(A obj){
                return ("A and A");
         }
         public String show(C obj){
               return ("A and C");
         }
}
class B extends A{
         public String show(B obj){
                return ("B and B");
         }
         public String show(A obj){
                return ("B and A");
         }
         public String show(C obj){
                return ("B and C");
  }
}
class C extends B{}
class D extends B{}
class Test{     
   public static void main(String[] args){
      A a1 = new A();
      A a2 = new B();
      B b = new B();
      C c = new C();
      D d = new D();
      System.out.println(a1.show(b));  &nb


Ïà¹ØÎĵµ£º

Java Server Pages±í´ïʽÓïÑÔ

¶ÔÓÚ½«ÒªÊ¹ÓõÄJSP¹æ·¶µÄÒ»¸öÌØµã£¬¾ÍÊÇJSP±í´ïʽÓïÑÔ¡£Ôںܴó³Ì¶ÈÉÏ£¬ËüÊÇÓÐÒâ¼ò»¯µÄ£¬²¢¶ÀÁ¢ÓÚJSP¡£
ÔÚJSPµÄÔçÆÚ°æ±¾ÖУ¬Java´úÂëÒԽű¾µÄÐÎʽǶÈëµ½JSPÒ³ÃæÖУ¬ÀýÈ磺
<%
MyBean bean = new MyBean();
String name = bean.getName();
out.println(name);
%>
Õâ¸ö½Å±¾´úÂëн¨ÁËÒ»¸öÃûΪMyBeanµÄʵÀý£¬»ñµÃË ......

¡¾×ª¡¿Java double Ïà¼ÓµÄ¹ÖÊÂÇé

(±¾ÎÄ×ªÔØ×Ô£ºhttp://hi.baidu.com/edilyxin/blog/item/27dc152aba3e10315343c19c.html)
ÎÊÌâµÄÌá³ö£º  
±àÒëÔËÐÐÏÂÃæÕâ¸ö³ÌÐò»á¿´µ½Ê²Ã´£¿  
public   class   Test{  
          public   static  ......

flex ºÍ java (web)µÄ×éºÏ¿ª·¢

 1¡¢¿ª·¢»·¾³£ºÔÚmyeclipse7.0ÖÐÕûºÏflex plup3.0, °²×°flex plup3.0ʱ,Ñ¡myeclipse ÖÐeclipseµÄĿ¼£¬È»
      ÕÒµ½flex µÄ°²×°ºÃµÄĿ¼£¬½«pluginsºÍfeatures¶ÔÓ¦µ½¿½µ½myeclipseÀïÃæ eclipseÏàÓ¦µÄĿ¼Ï¡£
2¡¢´´½¨ flexºÍ java (Web)µÄ¹¤³Ì(ͨÐÅ¿ò¼ÜÓÃblazeds.war)£º
  &nb ......

Java ±à³Ì¼¼ÊõÖкº×ÖÎÊÌâµÄ·ÖÎö¼°½â¾ö

Java ±à³Ì¼¼ÊõÖкº×ÖÎÊÌâµÄ·ÖÎö¼°½â¾ö
ÏÖÔÚ Java ±à³ÌÓïÑÔÒѾ­¹ã·ºÓ¦ÓÃÓÚ»¥ÁªÍøÊÀ½ç£¬ÔçÔÚ Sun ¹«Ë¾¿ª·¢ Java ÓïÑÔµÄʱºò£¬¾ÍÒѾ­¿¼Âǵ½¶Ô·ÇÓ¢ÎÄ×Ö·ûµÄÖ§³ÖÁË¡£Sun ¹«Ë¾¹«²¼µÄ Java ÔËÐл·¾³£¨JRE£©±¾Éí¾Í·ÖÓ¢ÎİæºÍ¹ú¼Ê°æ£¬µ«Ö»Óйú¼Ê°æ²ÅÖ§³Ö·ÇÓ¢ÎÄ×Ö·û¡£²»¹ýÔÚ Java ±à³ÌÓïÑÔµÄÓ¦ÓÃÖУ¬¶ÔÖÐÎÄ×Ö·ûµÄÖ§³Ö²¢·ÇÈçͬ Java S ......

JavaµÄ(PO,VO,TO,BO,DAO,POJO)½âÊÍ

PO(persistant object) ³Ö¾Ã¶ÔÏó
ÔÚ o/rÓ³ÉäµÄʱºò³öÏֵĸÅÄÈç¹ûûÓÐo/rÓ³É䣬ûÓÐÕâ¸ö¸ÅÄî´æÔÚÁË¡£Í¨³£¶ÔÓ¦Êý¾ÝÄ£ÐÍ(Êý¾Ý¿â),±¾Éí»¹Óв¿·ÖÒµÎñÂß¼­µÄ´¦Àí¡£¿ÉÒÔ¿´³ÉÊÇÓëÊý¾Ý¿âÖеıíÏàÓ³ÉäµÄjava¶ÔÏó¡£×î¼òµ¥µÄPO¾ÍÊǶÔÓ¦Êý¾Ý¿âÖÐij¸ö±íÖеÄÒ»Ìõ¼Ç¼£¬¶à¸ö¼Ç¼¿ÉÒÔÓÃPOµÄ¼¯ºÏ¡£POÖÐÓ¦¸Ã²»°üº¬ÈκζÔÊý¾Ý¿âµÄ²Ù×÷¡£
......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ