Hi..All,
  Can you please recommend some good books for Web Component Developer
Certification (CX-310-081)?
Regards

I noticed with .Net the framework provides a simple ability to
serialize an object to XML and back again.
Does Java have the same functionality?
Also, I have a system which needs to persist objects and then perform

I have a Java app I'm developing here that seems to have developed a
slow leak.
It spawns around 100 threads, which do various things with some shared
resources (mainly collections); the resources are locked (in a fixed

How does one go about getting the index of the selected node in a
jtree?

I am strongly considering acquiring a good working knowledge of Spring,
Velocity, Hibernate, and JSP templates in the next several weeks to improve
my employability. This has raised some questions that you can help me with:
1. Are these tools widely used in the industry? Are they ...

I need to have a task repeated periodically in a thread .  for now I'm
using inside the run method :
               long pausetime = 2000;
               long p = System.currentTimeMillis();

List lst = new ArrayList();
 lst.add("a");
// more add statements here..
((String) lst.get(j)).toUpperCase()

I just started using IBM RAD thats based on eclipse and am trying to
import the java.util.concurrent package but the package cannot be
resolved.  Anyone know how I can get the import to work?  Thanks a lot!

I want some code which will give me the number of milliseconds since
the Java epoch which is January 1, 1970. I try the following code, but,
alas, every time I run it I get a different value
instead of a constant. Any ideas of what

i`ve got this computer with 2 network cards and now i want to write a
programm which shows both ip-adresses, is, and if so, how is that
possible?
best regards

After i read java.security.cert and java.security.keystore i didn't find
any solution of my problem.
The problem is that i want to create n keystores without using the
keytool because i want to export the solution to use with smartcards.

i knew that by default all java.lang classes will be imported by the
compiler during compilation. but, to make it easier for the computer,
should i specify which class i really will be using? does this action
will boost the performance during compilation and runtime or not a

I'm trying to found out how to write a hash table to a file in java.
Can someone please help me or point me to a good tutorial.
Thank you

This will be familiar to most I imagine.
You have an entity say a Person and you need to manage these so we have a
Persons class.
My projects are now becoming littered with 2 classes for most entities

I have a small java program(the smiplest I can have). When I tried to
run after compling it, it shows the error:
Exception in thread "main" java.lang.NoClassDefFoundError: test
what might go wrong?