I've copyed this code from someone else and trying to get it to work...
public static String getKeyedDigest(String input, String key) {
:
:

I have a large number (~1000) of files to analyse.
These files are in a directory.
I will use Java to run a program in batch mode to analyse each of these
files.

I am trying to determine if a string consists entirely of Hexidecimal
digits.  Is there some way to check a string or a character to see if
it passes this criteria?  I know in C, there is the isxdigit(char)
function.

I am trying to develop some code that takes a directory full of jars, and
determines if the jars are signed, and if so, by whom.  Any pointers?
Thanks

    I am having some very strange results using the XPath classes
included with the JDK1.5.0_01. Check this out:
XML:
<final>

I just got started with NetBeans 4.1 yesterday.
I want to make a double-clickable jar file, but whenever I try opening
the .jar in Windows Explorer, I get the error message:
====================================

Hi!, I'm Carla. I'm running Irix 6.5 with 1gb of physical RAM, when I
try to use some virtual memory with a program called ImageJ (jar file)
and I put for example 2gb of max memory I get an error msg telling me
to upgrade irix to the latest version (I believe it's 6.5.27) to use

I have fields  "Account Name" and "Address" in an Access table "person" then
I use a query  to insert a record:
"Insert INTO person (Address, Account Name) Values ('USA', 'John').
However there is error when I inserted this record.

I have written a Class, that reads from a COM-port. I have a tag-reader
attached to my COM-port, and I want to write the ID of the readed tag
into whatever application I want, for example notepad. Not just as an
output on the running program.

hi, i downloaded transaction api (JTA) but are not sure where to put it so i
can import the relevant classes. thanks,mark

 How to use new feature (parameterized abstract data type) in JAVA 5.0
to write a stack?
Ming

Ive sent some data via asocket to another app and when it returns the
data it contains two [][] squares at the start. how can I get rid of
these squares i thought they might be \r or \n's but there not

I'm writing a business method of an entity bean which is supposed to
read some informations from an XML file. I use the following code:
To get the parser and the document:
Code:

I try to start my Japplet with webstart.
[the first time I try this...]
so at first I create the jar,
then I create a key with keytool

National codepage ASCII extensions are suppose to be supported by the
"java.io" and the "java.lang" packages contained in charsets.jar. Oddly
enough, the "java.nio" which holds the nationalization Charset class,
does not seem to know any of these specific codepages: