I am trying to make an Eclipse plugin for the Java software. I have
the source code of the software, i am not sure how to go about
building plugin for eclipse from the source code. I tried doing the
"convert the Project to plugin Project" but when I try to export as

I'm trying to work through the book "Pro EJB 3 - Java Persistence API"
(don't buy it), but I'm having some difficulty getting things to work
here.  I'm just trying to use the derby embedded database and the
glassfish implementation of the JPA, as I think is being done in the book.

I want to allow a parent objects and its child to communicate.
Sending messages to the child is easy, since I can simply write to
that child's methods.  But the child needs to send messages back to
the parent, and not necessarily when the parent is able to poll the

Does anyone know if it is possible to play ogg files in a Java application?
Thanks, Francois

I am trying to move a directory ( and it's contents to a new
directory). I have tried the following:
System.out.println(nonCCResource.getLocation().toString());
tmpDir = new File (nonCCResource.getParent().getLocation().toString(),

I am looking for samples to transmit small size xml documents over tcp
sockets.
Does anyone have some good working samples?
Regards,

~
http://java.sun.com/j2se/1.4.2/docs/api/java/io/RandomAccessFile.html
~
has:

I've written a little photo album servlet.  Images can be uploaded and
they are saved to some external directory: /some/dir/photos.
I'd like to be able to access these photos using <img> tags, but don't
know how to access anything outside of the external directory.  On the

I have been reading about generics to determine if there is a way to
accomplish what I _assumed_ could be done.  From what I can tell, what
I would like to do is not possible, but, honestly, generics are
confusing to me.

An application we need to write has to monitor a directory and process any
files appearing in there -- as quickly as possible.
The usual approach to this task is to rescan the directory every once in a
while, which is horrible -- it loads the system keeping the program in RAM

Hi, to all i am new to core java and question on Swings. See this code
and help me.
I want to calculate student marks and his average. When i click button
total marks will have calculate and i am posting code below

I am working on - BEA Weblogic version 9.22 & Oracle 10g. I have
created a data source(Connection Pool) with below configuration:
Initial Capacity: 1
Maximum Capacity: 15

how can I render hardware accelerated 3D graphics
without demanding the user to install java3d seperately ?
I know it's something with webstart.
Can anyone provide me a sample .jnlp file for that purpose ?

I have some char stored in an ArrayList, I would like to know if there
is a way to
count the occurences of each of these char and return the one that
occurs the most.

Can someone confirm this to me.
-> All the arrays when created are filled with 0, or null. Or is it random
numbers?
Thanks, Francois