i have a table whose columns can contain either Strings, Integers, or
Floats.  I also allow sorting by clicking on the header of a column.
my question is, i need to display only two decimal places for columns
that display floats.  How can i do this and still maintain accurate

I am trying to build a gui using java that allows the user to go thru
filechooser and pick any file(s) and/or directories. If a file or files
are chosen then the names of the files are appended to a list. If a
directory is chosen then the names of all the files in the directory

I want to construct a list of pairs without dupliactes, not the key
value pairs, I just want to ensure that the pair (not ordered) is not
dupliacted in the list.
for example

Is there any way to save the output file to a user specified directory?
I would like for the user to be able to select a directory and save the
output file there. At the very least, is there any way to specify where
the file is saved by writing it into the code. I know that in C++ ...

I used to use c++.If you want to get input you write
#include <iostream>
using namespace std;
int main(void)

In oracle, if I need to get the sysdate, I would do some thing like this
   select sysdate from dual;
And if I need , the difference between sysdate and a specific date ,say
"pdate" ,I would do,

Hello. I'm having two issues with Java, and I'm hoping somebody can help me,
because Sun's site wasn't terribly useful.
1) Often, when I open a page that has an applet in it, or open an
application that involves Java, my screen blacks out. The screen stays that

I'm passing a param to an applet (running applet in a jsp and passing a
param from form..) put code in applet so if text field in form is empty
(such as when jsp first loads..) applet prints a specified string,
however it just prints "null"..  why is this..

I'd like to embed information such as Version #, TM, (c), etc. into my cass
files.  I guess I can simply place these in a string in the .java file and
it will end up in the class file but I am wondeing if there is a
"better/recommended" way to do this.  In the Microsoft C++ world ...

I have two applications working in a client/server mode. The client is
written in C++ running on a Linux box. The server is an applet and was
written on a Linux box with NetBeans 3.6.
When the client send a message, which is a string, containing some

Im currently struggeling with encryption of streams using
CipherInputStream and CipherOutputStream. For some reason, the last 8
bytes when reading encrypted data seem to be missing (see example
below). Anyone have any idea why this occurs??

I have the following questions about Java 1.5 enums.
1. the ordinal() method allows the conversion of enum value to int. Is
there a method/technique to go from int to enum? I have tried casting
but that does not seem to work.

I know what is marker interface - An interface with no methods.
Example: Serializable, Remote, Cloneable.
But I don't know the purpose of using marker interface, and when is the
good practice for that.

Here are the source code files to a Java applet that utilizes
LiveConnect to communicate with Javascript, and the HTML file.
The thing works both in IE 6.0 and FireFox 1.4. but with some problems.
IE crashes when one refreshes the page or leave the page. This happens

Guys,
I have a class that listens to a real-time data source and keep a local
data structure that I want to write out every minute. I plan to use a
TimerTask implementation to do this but aint sure how that can be done.