The following line cannot connect to 192.158.0.2 port 21 if i use jdk
1.5 update 3 or jdk 1.5 update 4:
Socket socket = new Socket("192.168.0.2",21);
If i use jdk1.4.2 to run the above code, it got no problem.

I need to write a program, which converts some txt format to well
formed XML. txt format has some escape codes - for instance \b must be
replaced by <b> in XML. Sownd pretty easy, but unfortunately my
competence in Java is about zero. Could anybody help me with code or at

Im wondering if anyone knows if sun has, or plans to implement a
treeTable component in their standard java api....
Thanks...

 I am having some JAVA Applets which will simulate a mechanical
Engineering Lab Set Up. I want to make this as a software Product which
is having some set up files and Register Variables etc.. I want to make
this as an evaluation copy for a particular period of time and a full

Hi, Im having a slight problem.
I am trying to load an image object with the code below, and I am NOT
extending Applet in my class because I am working on an application.
The problem is that getCodeBase AND getDocumentBase are not being

I have a question about the use of properties.
You see usually if you wanted to add a property you would do this
Properties systemProperties = System.getProperties();
systemProperties.setProperty("http.proxyHost", proxy);

I am new to jsp taglib.
Is it possible to get attributes from the session using jsp tags?
In servlet, I can use ((myclass)session.getAttribute("blah")).getMyMethod();
In jsp, I use <%= ((myclass)session.getAttribute("blah")).getMyMethod() %>

Has anyone figured out how you extend an enum, e.g.
1. a class like the base but with more enum constants.
2. a class like the base but with more methods on each enum constant.

Greetings, all.
I have a question for the Java programming community at large.
For years, the software engineering curriculum has been telling us to
program to interfaces, rather than to implementations, and the benefits of

I've make a simple applet and I must call javascript function.
With nescape and firefox I've to much problem that I don't understand.
Must I do some browser's settings ?
import netscape.javascript.*;

   I am using netbeans and recently it 'forgot' all my fonts/colors
settings and also refuses to save them when I reconfigure it. Any ideas
or will I have to reinstall to solve this?
thx

I'm working with some sample code out from a vendor's SDK, and they have
a small sample application called RuntimeExample.java.  The application
has the following structure:
public class RuntimeExample

I made an object Task which is an extension of
a thread. Is there a way to know what
is the size of my thread object while it's running?
I looked for it into the apidocs, but I only

I have zillions of methods which perform very simple "garbage in?" checks
and which throw IllegalArgumentExceptions if method parameters have illegal
values.
Apart from the "if it ain't broke, don't fix it" rule, what do you think

Let's start right from start, ala "12 step" meetings...
Hi, I'm Don, and I'm a serious greenie when it comes to Java.
(This is the part where you all say "Hi Don! Glad to have you here!")
"How serious,", you ask? Well, in the past 3-4 days, I've done a