JPanel transition and calculation in parallel

Asked Apr 12 '15 at 14:04

Active Apr 12 '15 at 20:02

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I have a Swing application, in which initial JFrame (frame) has one JPanel (firstPanel) with one button. On clicking this button, the JFrame should remove firstPanel and add a new JPanel (secondPanel). There is one simple JLabel (lab) in secondPanel, whose text will be based on some calculation which might take some time.

Right now, secondPanel gets initialized only after the calculation is completed. I want to initialize secondPanel with empty label initially. Calculation should be done in parallel and content of label should be changed when calculation is completed. How can I do this?

edited Apr 12 '15 at 20:02

Ian Kemp

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asked Apr 12 '15 at 14:04

user148865

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Use a [`SwingWorker`](https://docs.oracle.com/javase/tutorial/uiswing/concurrency/worker.html). – Boris the Spider Apr 12 '15 at 14:07
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For [example](http://stackoverflow.com/a/13205322/230513). – trashgod Apr 12 '15 at 14:15
Exactly what I wanted. Thanks. – user148865 Apr 12 '15 at 17:35
reformatted grammar to make question easier to read, fixed typo in title – Ian Kemp Apr 12 '15 at 20:02

JPanel transition and calculation in parallel

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