Hello, All
There are many magic numbers located in our java source code.
Someone pointed out that this is not good coding style.
What dangerous appeared? used Magic Numbers

Despite my optimism that this bug reported on 8 November
(www.segal.org/java/sun_jit/) would get processed quickly there has been no
word from Sun after more than three weeks.  One would hope that reproducible
crash bugs would get treated with a greater sense of urgency.

Hi people,
       I have two EJB applications sharing the same database with
about 30 concurrent users at a time, Thanks to some bad coding done in
the past, the clients always come up with an out of memory exception. I

I am trying to invoke java files through xml and xhtml. i am not able
to pass parameters. actully whatever the parameter i pass from xhtml
that java file shuold be open. can anybody suggest me.
thanks

i would like to know how in a application client/server how we send received
message to all client?
thanks

I have been looking thru use groups and API's and there seems to be
some issue on parsing a tab delimited file.  If a user uploads a file
that is tab delimited, and could contain nulls, is this necessarily the
best approach:

  I would like to write a program that can send and receive HTTP
requests. Basically the first page received from the server will
contain a form and I want the user to be able to enter form data via my
app and then send the request off to the server.

I'm working on a (trusted) applet that zips a group of files and
uploads them to a server, and also downloads the zipped file and unzips
it. As part of the unzipping process, I call a constructor to
FileOutputStream: FileOutputStream fos = new FileOutputStream( filename

Hi @all,
I`m actually working at some piece of software
with RMI and I wonder, if it is possible, to
reference in my remote class to an object wich is

I need to fill a JPanel container with an array of smaller, square
JPanels.  They need to flow vertically down a column until they reach
the bottom of the JPanel container then start again in a new column
immediately to the right.  I'll not know how many smaller JPanels I

If I use Collections.sort(arraylist), the elements in the arraylist will be
sorted by natural order. What happens when the arraylist is actually an
arraylist of arraylists - how can you sort against an object?

As of Firefox 1.5 Java's showDocument method is blocked by the Firefox popup
blocker.  We deal with the similar issue in Internet Explorer by using a
Runtime.exe command (our applet is digitally signed).  I'm having trouble
figuring out the command line argument to open a new ...

-- I'm investigating the java security features for possible use in an
application I am writing.
-- One area that I have been experimenting with is extending the
SecurityManager class and overriding the checkPermission(Permission

I have three ways of reading in a class in a dynamic way: Instantiating
the class works with two of them, with the third this results in an
exception:
Exception in thread "main" java.lang.IllegalAccessError: tried to

I'm new to CMP Beans, and i want each bean to have a unique id and do the
relationships over id's. But which is the best way to generate id's? I found
the following:
private Integer generatePrimaryKey() {