How to change the top left program icon in swing

Hello there,
I have a problem identifying the top left program icon in swing, that's the one that's on the program tool bar... there must be a way to override the default CoffeeCup icon somehow does anybody know?

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mentarAuthor Commented:
sorry I meant the title bar not the tool bar
When you create a new JFrame, you can pass it as a parametera a GraphicsConfiguration component, which will show up in the top left corner of the screen.  If it is null, the default icon will be used.

You can change the icon as follows:

ImageIcon icon = new ImageIcon("system.gif");

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mentarAuthor Commented:
Thanks... just tried it works perfectly :)
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