I'm trying to organize my classes in packages, but I'm running into a
problem where I can't seem to reference a class which is higher or at
the same level of the package hierarchy. I can only reference a class
when it is lower in the hierarchy.

It must because I'm tired... It's so a dummy prob...
Here it is:
Imagine you have a frame called F1 with only one JButton.
You have a main prog with something like that:

I got a question about I/O classes
At school, we have to type for the input/output:
Input in;
Output out;

I just had a discussion with one of my teachers that has me confused
about Java inheritance and Java terminology.  
Here is the scenario:
There is an Animal class at the top of the hierarchy.

I'm writing Java apps on Mac OSX. On my Mac I use a shareware called
FruitMenu that lets me customize the Apple menu like the Classic OS used
to. When my Java app has focus, the FruitMenu app does not show up.
What do I need to do to make my app FruitMenu aware?

I was wondering, I've been doing some work with GridBagLayout, and have
noticed my overuse of
"= new GridBagCostraints". I decided to create a new class,
ReusableGridBagComponents, inherit from

From my Java program, I'm constructing a cmd-line one-liner and
running it from the shell on various platforms.
Is there any platform independent way to suppress error messages from
the cmd-line?

I have to update a file on the server where a JSP file is .
To read the previous value, I use an InputStream, and close it.
I then do the update in my object representing the data file.
I use an OutputStream, do the flush, close the stream, but the file still

I'm attempting to display a pair of images in a swing gui.  However, no
matter what i try, the images just won't seem to display.  What i'm
trying to do is to subclass JPanel and use it to display the
java.awt.Image resources.  I am loading the images from jpeg files and

I have a servlet, NicknameServlet, that is connected via OutputStream
-> HttpURLConnection object chain from an applet.
For some bizarre reason, though, the APPLET throws a
ClassNotFoundException error (and not the servlet!)

I have trouble in using javax.comm.* for my project described as
follows:
Computer will generate pulses on Pin 4 of DB9 serial port. The input
pulse, a square wave or a spike is needed to trigger device. The

I'm trying to match some text in HTML pages, e.g. the content between td
tags (which could have a newline between them). Here is a test that I've
been trying:
page = new StringBuffer("<tr>\n <td>blah</td>\n </tr>"); // actually, has

The most simple example: i have two files:
Test.java:
import mypackage.*;
public class Test

I have some code in a form which inputs a friends email address and when you
submit it sends the message to the person at the address. I want to be able
to email to the variable name and also a hard coded address. When I actually
input two addresses, it sends to both. The partial ...

i know how to make Applets, but i want to create *.exe files.
how do i do that?
a piece of code is allways wanted...