I wish to use J2ME for development on PDA and cellphones. After a lot of
search, I still have few things unclear. I would REALLY appreciate some
thoughts/insight on these. I have fair bit of experience in Java and lot
of background in programming in general.

Where did I go wrong?  should the private variable str be a character,
or should cast?
cast the charAt to a string?
compile code below I get

How to apply pattern to a file.
In matcher instead of using string I want to use "file.txt".

Hi Sir,
We will develop a low cost box for java application in 2006/Q1.
Java Box is a low cost open platform for executing Java Applications
via IDE or USB interface.

I want to check specific Window service is running or not  in java
application

im curently doing an assignment for uni and there is somthing wrong with
the code below but i dont know what.
public volunteer.add(new Volunteer(String name, int telephone))
   {

I am looking for a link to help write a suduko puzzle solver, an
application type. I have seen
applets that the user enters the data, the solution help is given,  but
it is also web based.

I am looking for a PDA that supports either J2ME or J2SE. Could anyone
suggest a make and model?
Aidy

My Problem:
When a tree item/row is expanded , the scrollbars of the tree
automatically move to ensure that the child of the tree item (which is
expanded) is visible.

Say I have two class hierarchies--Problem and Solver--which sketch like
this:
public abstract class AbstractProblem {
       private AbstractSolver _solver;

Pls, what is best way to create or copy files?
in java.io.file  I see under the constructors:
    Creates a new File instance from a parent abstract pathname and a
child pathname string.

today,I come across a very wizzard question.I have two class file in
the same package.
when I use one of the class in the other class file.But the compiler
notified me of "not

I'm using Netbeans 5.0 beta for an IDE, with swing components. The
situation is something like this:
The program is a board game - the user chooses a building from a panel,
and then is supposed to get a message to choose what resource to pay

Hello all, i wonder if some kind soul could point me in the right direction.
I'm sure the solution is VERY straightforward but for some reason i just
can't see it.. just call me Mr. Thicky. Anyway... here it is....
I have a main method that passes a parameter to another method used ...

i am looking forward to finding someone who could help me out.  from
the following code,
i get 45 for the variable "numSusceptible" and 50 for "numNode".   and
then i get 5 for "(numNodes - numSusceptible)".  however, i get zero