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Selvan tiru

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since Jul 12, 2001
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Recent posts by Selvan tiru

In EJB
how the parameters as (returns) objects to remote metods are passed: by reference or a entire copy of the object : how about return object from the
remote method. Is the entire object serilalized to client JVM.
Thinking if i have 3kb object to send to client
and 10000 concurrent clients how does the
performance be
Thanks
Selvan
Hello:
Does anybody suggest how to copy or insert a character vertically in a text file opened in JFC application. Normally it is done line by line in a horizontal way. Trying to implement an excel like functionality in a text file
Thanks
Selvan
16 years ago
Hello:
Reading an article on EJB at
http://www.onjava.com/pub/a/onjava/excerpt/bldgjavaent_8/index3.html?page=3
Can somebody correct my understanding from this article: The author writes about changing a stateful session bean to stateless EJB and both
access Entity bean.
Q. In BMP how are transactions managed if none of the EJB callback methods are implemented and no session contex is initialized. and in the deployment descriptor traction type = container : <transaction-type>Container</transaction-type>.
For this case, if I have traction type = Bean
without initializing transaction context, is the bean set to handle transactions
i.e in any BMP if the transaction context is not set how does the EJB handle transactions?

Q. For CMP there is no need to implement callback methods. but the deployment descriptor traction type must be = container : <transaction-type>Container</transaction-type>. Is this correct
Q. If session beans and data access beans ( no entity beans)are used in the application design where or how does the transaction logic works?
Thanks
Selvan
How do we change the java icon in the title
bar ( Top left) of JFrame to a custom icon. company logo.
Used JDK to code though!!!
Selvan
16 years ago
checked exceptions are compile time exceptions:
Hence called checked exceptions (Sweet)
Java.sun.com/tutorial has the best explanation!!!
--Selvan
16 years ago
Jdeveloper 3 runs only on NT. I tried on winX and
win2k, It's unstable
16 years ago
The s.concat is creating a new String by appending. May be Since "new" key word is not
used here, it may be confusing to think that
concatenated string is entirely
new and different object.
--Selvan
16 years ago
Try expanding the $HOME
16 years ago
To learn JFC and GUI
JBuilder IDE is easy to use .... in the beginning
compared to VJ. VJ IDE for JFC gets more cluttered.
--Selvan
16 years ago

Originally posted by Corey McGlone:
Just as a quick example, when you start your application, a new user thread is created that execues your main method (this is sometimes called the main thread). As this is a user thread, your application will not terminate until this thread completes. At the same time that the main thread is spawned, a garbage collection thread, which is a daemon thread, will be started. As this is a daemon thread, application termination is not dependent upon the garbage collection thread. Rather, whenever the application terminates, so too does the garbage collection thread.
There is a lot of information on user and daemon threads in the Java Programmer's Certification Study forum.
I hope that helps,
Corey


It also depends whether your application is GUI based or character based. Generally In GUI applications once the GUI is created in main method, the Event handling thread takes the control. there is no main thread here.
--Selvan
16 years ago
Hello:
Created a JTable and place in JScrollPane:
If the JTable has only one row, The JScrollpane shows the gray color for the remaining area in the
scrollpane. How to set the color of the
scrollpane to the same color.
JTable has auto_resize_off
thanks
selvan
16 years ago

Originally posted by Doug Wang:
Boost was begun by members of the C++ Standards Committee Library Working Group. Its goal is to establish "existing practice" and provide reference implementations so that the Boost libraries are suitable for eventual standardization.
Boost libraries are readable with good documentation, thus makes it a good source for learning and demonstration.
Any Java equivalence out there?
[ March 28, 2002: Message edited by: Doug Wang ]


Java is a propriotory language from SUN unlike
C++ which has different work group approach.
Java API from SUN systems is the bible.
16 years ago
It is more of a programming guide lines
than real limitation on the number of parameters
a method can receive.
--Selvan
16 years ago

Originally posted by Francisco A Guimaraes:
I want to be in this promotion, is there something I have to do, other than post this message?
Francisco


Just enjoy the discussions in the forum by asking and answering questions from fellow members
16 years ago

Originally posted by Younes Essouabni:
I tried javaw instead of java. It works but the dos window is still opening, however now I may shut it down. I am still looking for a solution where the dos window does not open, or some code that will close the window automatically!
I think that it's not really professional to ask a user to close a window each time he start an application! Are your professional application working with that window?
Let me know please!


Which version jadk is it?
javaw puts the dos window on the windows task bar. Yo udo not want to show the java application icon on the windows task bar?
16 years ago