I made a small application which draw gantt (diagram) in a JScrollPane.
But scrolling of that diagram is very slow when diagram grows up on a 4
pages for example.
The question is:

I need to change the color of a row or cell (which ever is easier)
based on the value of the particular cell (or in the case of a row, a
particular cell in that row. Here is my current code structure:
I have 3 files:

In Linux/Unix I can have as simple as a command "mail"  to send out an
email...
In Matlab I can use "sendmail" to send out an email with or without an
attachment.

AAAAAAH . I don't understand.
Why, in Eclipse, this.getClass().getResource("/") returns me the project
path.
And Why, when I export my project in .jar, the same instruction returns

I have a JTable(columns = 1) with custom rendered cells. Each row is
a JPanel which contains a number of JLabels, JTextBoxes, JPanel (for
image) and some JComboBoxes. I have TAB thru some of the textboxes and
comboboxes. I am able to get the Focus to the table, but after that

I have drawn a Circle in memory using the code:
BufferedImage bimg = new
BufferedImage(size.width,size.height,BufferedImage.TYPE_INT_RGB);
   Graphics g = bimg.createGraphics();

Hi,
I have another problem.   I put several JPanels in the contentPane.
When I change the content of one JPanel, I want repaint it. But there
is no change after repaint(). Only after the Frame resize, the new

I'm begunner only.
Could You tell me please what is the idea, how to create text editor like
Notepad?
Appresiate in any case.

http://www.geocities.com/minkuarora/combo.JPG
The above url contains a combo box and a textfield in a flowlayout,
there a couple of items in the combo box but they cant be seen with
java 1.4.2_05 with XP OS

I want to design a very simple dialog, asking a question, expect an answer;
or warning the user about something without expecting an answer. In either
case, I would like to have a URL link on the dialog window, and upon user
clicking on that link, a new browser window will be pop up ...

I dynamically add/delete "TreeNode"s in "tree" but when viewing area of
"JTree tree" is full of "TreeNode"s, ScrollBars don't scroll
up/down/left/right.
Why?

I'm doing a GUI with some input and output shown in two JTrees. On the
output side I would like to show percentage graphically (and in text)
on the place where JTree Icon is. eg. on the output side:
TopOfTree

In each TreeNode of a JTree I want to add the same popup menu. (Add Person,
Add Group, Delete)
But "DefaultMutableTreeNode" has no method "addMouseListener".
Until now, I add a MouseListener to JTree and popup  menu effects on

Hi, probably this is a stupid question.
I have to implement a Gutter at one side of a text component.
Is there some already implemented gutter component somewhere on the web?
How i will sinchronize the line numbers whit the text component rows in

I have seen similar questions on this newsg, but none that covers this
particular situation.
1) I have two apps: A and B. I have two jars: a.jar and b.jar. A uses
a.jar and B uses both a.jar and b.jar. B's main() is in b.jar.