Can java be used as language for algorithms learning at schools ?
If there is no pointers how can i construct two direction list (and add  
delete elements to it) ? Or how can i create trees and add/delete/find  
appriopriate elements ?

I'm trying to create a unit test. In the unit test I need to create a
mock java.util.List object. The List is going to be a collection of
WebForm objects, so the way it's declared using generics as
List<WebForm>. For my unit test I want to mock this List, but cannot

I need to create multiple concurrent processes. Is there a way to avoid
needing 2 threads per process to handle the output and error streams of the
processes?
I'm planning to use a kludge at this point, to assume that I will invoke

I'm trying to build an application that would connect to an Oracle
database and would display that in Excel format without using the
browser. Is there any Excel plugin (open source)available that I can
use?

I have created a cellrenderer for my jtable that obviously renders a
jtextbox in the cell.
The issue I am having is that it has a dark grey border around those
cells now.  This is likely due to the fact that jtextbox has a border,

I know this is a rather basic question but somehow I never got a
complete answer, so gurus please shed some light on this:
when I try j2ee related sample code, like servlet, ejb etc, often on I
need some javax.* packages/classes, and naturally I go to Sun's java

I was recently appointed to fix a big source code repository [6000+
Java
files], which -due to poor discipline by the previous manager- is
heavily inconsistent. Its biggest problem is that the source code,

I'm programming a web service in Java on unix platform and this web
service is called by a windows client. The client send a crypted string
to the server, but some  character are not recognise and they are
replaced with question mark... And the numeric value of this character

Hi, i'm new to java, I'm trying to read the "location header" that
contains webpage redirect information from a web server.  What class do
i use? can you provide an example?  
Thanks in advance.

if anyone could help me i'll be grateful
i have this xml:
<?xml version="1.0" encoding="UTF-8"?>
<appage_db>

How can I get the mobile's active language?
I create a midlet with many language support and I want to run in active
language of mobile. If this language not supported then in english.
Is this possible or it is platform dependent?

Is there ability to start running a midlet when open the mobile, before
close the mobile, every e.g. day in 12:00 etc  or it is platform dependent?
I want to create a middlet which shows every day in e.g. 00:00
historical events in this day (anniversaries)

Hello, All!
  Who knows how to show image by many pieces (like in a slideshow)
  or may be you know where can i read about it?
  Thanks a lot.

i heard grabase collector vll reclaim the space for nameless objects
immediately after execution.because no wa y after that stmt v can refer
it
like it vll reclaim spce after System.out.println((new A()).i));this

I am a newbie of Java and am working on my homework. I got an error
message "NullPointerException" after compilation. I know this means
values cannot be passed to array but it seems not my case because it
can generate a correct output on screen. The program terminate