Hi, all
I have a problem when saving my bean to the MySQL server using
Hibernate.
Here's the code snippet when saving the bean

I am a Java beginner, and I am trying to create a very simple binary
tree.
Each node has a value, the left child has the same value + an
increment, the right child has the same value - the same increment.

I want to convert excel file to csv file for this I'm using jexcelapi.
the CSV.java file in the source directory of api gives out to the
screen, instead I want to write the op to a txt file.
I tried using FileWriter instead of System.out as parameter, but I'm

i wrote a program with java using eclipse and i think i remember it used
70,000k in the process list in windows in task manager. i understand that
there is some eclipse runtime overhead involved. i used swt, hibernate and a
few others.

I just ran into a probelm when reading a binary file.
The binary file contains a bunch of data which are to be assigned to
different buffers.
Now, there are occassions where a single byte of the file needs to be

In jboss sometimes even after calling the close method on connection
my db
still shows that it is still open ,and connection is in in active
state

I am new to Java programming language. Previously I have been
using assembly and C language for lower level programming.
I would like to enquire from the experts here whether Java can
be used to program lower level applications like device drivers or

I'm in a beginners programming class and just want to know if i'm on the
right track here:
1. Using ASCII with a 7-bit binary number:
How many characters can be defined using this representation?

How do I get Apache Commons File Upload api to delete it's temp files
after it has finished downloading and the connection is closed?

I wrote a little REGEX utilty that takes a regex and a collection of
files and searches them for the pattern, outputting its findings as a
CSV file.
The catch is the % character. Even inside quotes, this character seems

I have a window, JFrame,  if I turn off setDefaultCloseOperation(),
and register a listener on the window, I want to bring up a JDialog or
Optionpane that gives yes/cancel option if I attempt to close the
window by clicking on the icon at the top left or the X button at top

I'm trying to build a little app. using tables. Well I get an error, cannot
find method setFillsViewportHeight(boolean) in class javax.swing.JTable
What can be wrong, I did import javax.swing.JTable
I'm using Debian Linux and java version 1.5.0_14

Hi everybody...
i got a problem: i'm trying to deploy a un web service, using wsdd
but after a while always this message is returned ...
anybody can help me?

Alright, I realize that manually building strings via the String
concatenation operator (AKA: string3 = string1 + string2) is a very
expensive operation due to how Java handles it.  As far as I know,
during String concatenation, Java creates a StringBuffer, appends the

i am trying to design an EJB application using session , entity and
message beans
it's a messaging board , a user can add a message , reply to a
message , and delete the message