guys,
please help me out. i need to use java to write a program which sets
any one output pin of the printer port to a high.i am not a java
programmer and i need help on this urgently.i have the rxtx package

I am trying to figure out the code to read in the structure of a text
file to parse it.  The way it works is the first block is the layout,
then the rest has the data so:
--- start text file ---

I've just started a job at a company maintaining their existing
applications.
They have a swing application which retrieves an object through rmi
and this is where I've run into a problem.

I have been working through Java Sockets and Socket channels the last
few days.  I have poured over many examples and referenced Java in a
nutshell.  I am able to successfully use the socketchannel class in
non blocking mode and to read async as well.  For better or for worse

I am using eclipse to compile a java application.
It works fine if I right click the class that contains main. But If I run it
in dos window, I get this error message,
Exception in Thread "main" java.lang.NoClassDefFoundError:

We are a well established US based Software Consulting company..
We are rated as "One of the Top 500 Consulting Company" all over US.
Our client list includes fortune 500 companies. {Direct Clients}
We are looking for several software professionals, with Minimum of 2+

Hi, I am repeatedly flummoxed by this intermittent error, please any
help will be great. This has already ruined a few demos.
Error 404: SRVE0203E: Servlet [action]:
com.recon.webapps.servlet.ReconServlet was found, but is missing

I'm completely confused and lost by undo/redo.  It seems that I need
to create a separate "Edit" (extends AbstractUndoableEdit) classes for
every single component (non-text) that exists in my GUI.  This makes
no sense, though (lots of repeated code, etc).  Does anybody have a

Check this out...
If you execute this code you would think that you get 4 entries in the
Hashtable, however only three entries are present.  I am using jdk
1.5.0_09.  I observed the same kind of bug with Hashmap as well.

I have a case where I'd like to return different data depending on which
class is calling the current class.  Is there any way to get the instance
of the object that called a method?
Thanks!

I am writing a distributed Battleship game using RMI.  I need this
class to extend both javax.swing.JFrame AND UnicastRemoteObject.  Is
there anyway around this?
public class MainGUI extends javax.swing.JFrame implements

Hi all!!!!!!!
consider the following inheritance hierarchy
Class A --> Class B --> Class C
As per rule: Object of A can be referenced by their subclass objects.

Hi all ,,
I had my application to connect to the database in a classical way
i.e. not a pooled connection. The method was as fellows
 private void connect(){

We are using Apache,Tomcat 5,ojdbc14.jar,Oracle 10g based system and
observing that all 100 tomcat threads are getting stuck in following
situation.
87 threads are stuck in "waiting to lock <0x718fc270> (a

I am trying to write a basic https client.  It will contact an https site,
post authentication details, follow some links, and retrieve some
information.  This all seems like I am reinventing the wheel, but I am
struggling to find example code.