I am trying to use Java's FileLock class to synchronize writing to a
file **across machines**. The file resides on a file server. Under
Windows, it works perfectly (ie, only one machine at a time can gain
access, the others wait,no clobbered file, everything is written in

Hi experts,
We need to update a file (on a file server) from many different
machines. To synchromize the updates I am using FileLock.
Everything works as advertised (ie if a machine gets the lock,

Hi. I have a problem with saving canvas to file. All over net there
are faqs on how to save a NEW canvas to file (after drawing on it). I
have a canvas, what should i do in order to save what's currently on
it to a file?

Is there some way to draw on a <JPanel> or write a <String> to it in
such a way that only the portion of what I'm drawing or writing that
takes place inside a box gets shown?  I'd like to have three windows
show up in my <JPanel>, and I'd like to draw things to them, but it's

I'm wondering if it's possible to directly access files in a JAR.  For
example, I have a JAR called foo.jar, and inside that JAR is a package
called my.foo.package.  Within that package, I have an XML file that I
need to be able to parse.  Before sticking the package in a JAR, I

Hi, I'm trying to load an object serialized to a file using an
ObjectOutputStream.
My code looks like this one:
1.    FileInputStream fis = new FileInputStream(pwdFileName);

I found in some code the following 'sleep(1000L)': I'd just
like to know what padding an 'L' after 1000 does. What
would be the difference with a simple 'sleep(1000)' ?
Thanks.

Hello Friends,
    I m java developer but right now i have developed one site,
please send me some suggestion for my site, so i can make it better
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I, I'm trying to load an object serialized to a file using an
ObjectOutputStream.
My code looks like this one:
1.    FileInputStream fis = new FileInputStream(pwdFileName);

can any one sugest a simple example how to use a function made in
turbo c3 in java?( parameter passing)

I am trying to validate an xml file with its DTD in Java using DOM
preferably. Can anyone please help me ?
Thanks in advance,
Mithil

I apologise if this has already been covered.
How would I validate currency input from a JTextField. For example, to
ensure that a currency value was input in a currency format ##.##
instead of ####.

How many people here have tried or are using Scala?
 http://www.scala-lang.org
This seems to offer all of the benefits of the Java run-time from a decent
language.

I am working on a project which will use XML-RPC over SSL (https).
Unfortunately, the server with which I am communicating has a
certificate which is signed with our internal CA key, rather than a
standard trusted CA key.  For now, I've simply disabled all of the SSL

I am using XPathAPI class.
The problem that I have is that after using XObject object =
XPathAPI.eval(node, xpathStr)
on 1000 different nodes (same xpathStr), it really becomes very slow.