i have a object Test and i have a array with many of their object
Test TestArray[20]...
how to remove a object from this array?
thanks

i have a database. this database has a table. this table has columns
{userid,role}
example  :
userid  role

Hi i found the code below on Java.Sun and i have read about different
speech engines like Freetts that develop the Java Speech API.
But i still can not get to comple the following code as the 3 packages
declared can not be found?

I have a TimerTask that downloads e-mails from a POP service, and
processes them. I am using a Timer class with initial delay and period
of 5 seconds.
I have observed that at times, the Timer gets "stuck", as in it fails

can any one give me a hint or idea how can we find out the properties
of a class without using reflection api

I am using the Java regexp package classes Pattern and Matcher to find
matches in alot of text files i want to process to generate a list of
matches per file and which line numbers they where find on.
But I haven't found any easy way of finding out the line number on

how do you check if a file exist before you write to it?
I have a registration page which creates a txt file named the username
the user chooses
once registration is complete

my application will get a XML and store in a String variable.
String variable="a big xml string";
i want to check whether it is a valid/proper XML or not.
How do i check ?

Hi, I'm looking for some double-buffering help. I'm back with a different question than my previous one.
Within a derived Canvas class, PlotCanvas, I have declared:
Image offscreenImage;
Graphics offscreenGraphics;

Hi.........
         Where i can find the implemented methods of Statement
Interface of java.sql pkg.
In this, we are just calling the methods like executeQuery() ,

i was wondering if it were possible to put an array of ints as a
session object.
session.setAttribute(String,Object);
i can't figure out how to get an array of ints into where it says

i was wondering how to put an array of ints into an Object.
session.setAttribute(String,Object);
how can i make it so that i can retrieve whats in the attribute into an
array of ints.

I have a JAR file called myejb.jar, a WAR file called mywar.war and
they are packaged into
an EAR file called myear.ear. How should I specify the Class-Path
attribute in the WAR's MANIFEST.MF to can use my EJBs from myejb.jar?

I have a strange intermittent socket error occuring; stacktrace
follows:
23:22:01|1|java.net.SocketException (Socket operation on nonsocket:
recv failed)

I would like to update the passwords entry in the java glossary.
I have handled passwords myself at the socket level using digest
comparisons and date salting to prevent snoops from reusing them.
I have used the magic AccessController that lets you pretend to be a