Invoking the paint repaint methods in Java2D

Hi,
This is the case:
I have used the paint method to a JPanel like this:
public void paint (Graphics g){
Graphics2D g2 = (Graphics2D) g;
g2.setPaint(gradientColor);
g2.fill(rect);
g2.setPaint(Color.white);
g2.drawString( "My label");
Now once the JPanel been painted, after a while,i want to change the
context of g2.drawString("new label") with a new label, but i want to keep the background painted as before. how do i invoke/use the repaint
or another method to accomplish that? Please help.
/E

allredy solved, thanks any way.

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I am supposed to create a JApplet with a button and a background color. When the button is clicked the first time a word is supposed to appear (I got that part), when the button is clicked the second time the word is supposed to appear again in a different color and in a different location on the Applet (I got that part).
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4) When calling repaint() make sure you do so on the JPanel rather than the applet itself.
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I don't know why the one method works. Based on my Swing knowledge neither method should work. Did you notice that the JButton wasn't repainted until after the ball stopped bouncing. That is because of the following code:
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Issue1: when I create a JDBC connection to connect with derby database, The driver field has maximum limit and whole driver string is not copied. Attached is the screen shot.
Are you working on SMP3.0 (lower version than SP03)?
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Does this URL expect any input parameters?
http://localhost:8080/gateway/odata/sap/WSTest1;v=1/SAP/StockSet
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