I am writing an class that broadly tries to monitor the execution of
an application on system, and am at a loss howto 'model' such data in
a class .. anyone any ideas that would give me that much-needed 'good
start'

How do you set the compression level of a G-ZIP output stream (0-9)?

Hi,i am total newbie in java programming.I want help in connecting
Oracle 9i database and inserting data in a table there.How can i do
this?Can anyone explain me step-by-step or point me to any link where
i can learn this?I am using tomcat 6.0.16 and windows xp sp2 operating

how to get data from two different database and different tables

I have clients which will call the server for record updating, and the
requests is expected to have 1000 req/s.
What kind of library is the most efficient for handling my needs?
E.g. XMLRPC, SOAP ect ?

I've got a MS Access database with a 1:1 relationship between 2 of the
tables, and I'm trying to append data to both tables.
Both tables have the same Primary Key, which is generated as an Auto-
Number in Access. If I delete the relationship in Access, then I can

Is there any way to detect when a class has been loaded by two different
class loaders?
Our app has a class that reads and writes a file on disk. The file gets
corrupt if more than one process gets at it at once. We can detect

What is elegant way to add new element to existing array:
byte [] data
byte ETX= (byte) 3;
data= data  +...  ETX; // ?

It seems both have a java.exe which can be used to execute the byte
code(.class) but then jre does not have the javac compiler.

All
Do you know what is velocity (not vector of speed) in java.
Any sample code how to make it work with j2ee.
Great thanks

All
Is there any open source/workplace like eclipse which can support the
development environment for portal server?
Thanks

I use with VS2005 of microsoft. I want to move to JAVA. bu I try
Eclipse and I disappointment. the IDE is crash from time totime and
It's not campareable with VS. I try also Netbean. but I think that
JAVA worth for beter IDE.

Hi. I'm new  to Java and am having problems with a prepareStatement
using the ? as placeholders. Can anyone help me understand why I'm
getting an error?
Here is the error referring to: pstmtUpdate.setInt(2, limit);

The following code compiles in eclipse 3.3.1. Shouldn't the compiler
throw an exception as the key doesn't pass instanceof check?
class Test {
public static void main(String args[]) {

Long ago I carefully implemented a Shell out
command, following the guidance from this:
http://www.javaworld.com/javaworld/jw-12-2000/jw-1229-traps.html
Summary: use threads to gather stdout and stderr from