I am writing some Java programs at home. A few months ago I could
compile Java applications and applets just fine - something must have
changed. I can still compile and use applets, and still compile
applications. But I cannot run Java applications. I always get

I just finished writing a silly class to wrap a ResultSet that
implemented TableModel so that I could use it in a JPanel. Was this a
silly thing to do? I couldn't find any easier way to deal with it.
Also, is there any particular reason why ResultSet doesn't implement

I've just spent ages trying to understand this in 1.4, but I can't always
get it to work (eg from a table cell).  Are there any good
articles/tutorials anyone knows of about it (apart from the Javaworld ones
I've used).

Does anyone know how you would develop an instant messaging applet in
java,
im a bit stumped when lookin at jabber and other messaging protocals,
where do you start, can you use jms?

I'm having an issue with a choice element where I need to set it to
have a minimum size but when I try to use setMinimumSize(Dimension) my
code compiles fine but gives me the following error:
java.lang.NoSuchMethodError:

Hi to all,
I'd like to know how to catch the unliverable messages.
I'm sending email through my class below, but I cannot catch if a
message is not arrived, if the email is wrong and if the receiver has

I've been through some:
- "Thinking in Java"
- "Patterns in Java"
- "Java Pitfalls"

Hoping someone might help me get my head around the reading of a data file.
the strucutre of my binary file begins with a 100 byte header. after
that there is a 0L delimter (8 bytes of 0) followed by a set of
gzipped/serialised objects followed by the delimiter, then again

I am having trouble with a set of ArrayLists which when I use the
ArrayListReference.add(object); method i recieve a null pointer error.
This puzzled me because A) I thought that the point of Arraylist was
that you didn't have to worry with null pointers etc as you can simply

In the below code i am instantiating the request and session object at
the class level.But i am getting Null Pointer Exception while
instantiating.
Is it possible to instantiate a request object at class level.

I want to print the contents of a Component.  The problem is that if
the size of the component is greater than the size of the page, it does
not print the whole component.  I want to be able to scale down the
Graphic in the print() function so that it fits the page.  I plan to

This task is very new for me and I have to do it for my client. Ok,
here is what I have to do:
1) The user will input a square matrix in a text file.
2) Java program will read this text file and will validate whether the

I have a simple method declared like this:
- (void) testMe: (int) n;
For testing reasons, this doesn't anything more than printing out the value
of its argument (n).

hi all i'm trying to call a web service who's wsdl is like this
part of it
<element name="compress">
   <complexType>

I am writing a class which (ideally) will be part of a fairly general
library.  I want to allow a "magic constant" to be overridden by a
system property.
This means that I need to do some error checking on the value of the