Categories:
.NET (357)
C (330)
C++ (183)
CSS (84)
DBA (2)
General (7)
HTML (4)
Java (574)
JavaScript (106)
JSP (66)
Oracle (114)
Perl (46)
Perl (1)
PHP (1)
PL/SQL (1)
RSS (51)
Software QA (13)
SQL Server (1)
Windows (1)
XHTML (173)
Other Resources:
How are Observer and Observable used?
How are Observer and Observable used?
✍: Guest
Objects that subclass the Observable class maintain a list of observers. When an Observable object is updated it invokes the update() method of each of its observers to notify the observers that it has changed state. The Observer interface is implemented by objects that observe Observable objects.
2013-06-05, 2010👍, 0💬
Popular Posts:
How To Avoid the Undefined Index Error? - PHP Script Tips - Processing Web Forms If you don't want y...
What Happens If the UPDATE Subquery Returns Multiple Rows? - Oracle DBA FAQ - Understanding SQL DML ...
How do we get the current culture of the environment in windows and ASP.NET? “CultureInfo.CurrentCul. ..
What does AddressOf operator do in background ? The AddressOf operator creates a delegate object to ...
How To Enter a New Row into a Table Interactively? - Oracle DBA FAQ - Introduction to Oracle SQL Dev...