Is there an any kind of checking if some object exist?
something like IsNothing check or somethin'??

I'll try my luck one more time by posting this again.
I do hope somebody has already solved my problem.
I have a Java application that spawns 4 different threads. Each thread
will perform it's own task which is calling a stored procedure. Each

TreeSet maintains its elements in their natural order, hence iterating
will produce "Apple Banana Cricket " instead of "Apple Cricket Banana"
what is natural order in the above ?
does it want to say, treeset always  sorts automatically by

Given an object of a Java class, is there some straightforward way to
find out how many bytes of memory it takes up?
In C there exists a <sizeof()> operator, but even if it had a counter-
part in Java (which doesn't appear to be the case) that wouldn't be

Where to start?
Is there a needed library?
Can you give me a link to sample code?
THANKS!!!

hi..
i have the following model,
a Breif, has several AssuredPersons, and several Polices.
each Polices has a Plan.

I'm planning on distributing some java apps. I'm a bit preocupied that
some of the users may try to decompile the jars and learn about the
source.
Unless I'm mistaken (please indicate so if this is the case), I can go

How do I get a list of all country names in this world in Java?
Thanks in advance,
Tung Chau

public class Test {
    public static void main(String[] args) {
        String s1 = new String("amit");
        System.out.println(s1.replace('m','r'));

Hmmm. I thought I will understand it easily. But no. I don't.
I just want to make a copy of a source xml into a result xml and change
the values of attributes of certain elements. How do I write the
stylesheet for this seemingly straightforward transformation?

I need to integrate a WYSIWYG editor in my J2EE apps, expecially create
and modify tables (with span, and cell property).
Can someone point me to good commercial or free solutions?
Thanks in advance

Because I don't understand:
1. CDC isn't for java mobiles but only for PDA's?
2. Pocked PCs can run CDC programs?
3. CDC has a different API from CLDC?

Please send the code of Fabonicseries program in Java

I get the following error, and I'm not sure why.
EKT.java:7: type parameter WordPair is not within its bound
    static BST<WordPair> tree = new BST<WordPair>();
                  ^

I was trying to perform some tests in a multithreading application and
I would like to simulate overloading. That is, I want to simulate
threads performing a task that takes a certain time T. I have thought
of the following possibilities: