Is there anyway to "pack" a JPanel?

Question

Is there any thing I can do to make my JPanel pack like a JFrame, or do something like that. I want to do this instead of giving it dimensions. Please comment if any addition info is needed. Thanks.

Answer 1

Please try JPanel.updateUI and let me know if that helps.

You should make GUI calls in the Event Dispatcher Thread:

EventQueue.invokeLater(() -> {
    someJPanel.updateUI();
});