removeAll not removing at next validate?

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爱一瞬间的悲伤
爱一瞬间的悲伤 2020-11-27 08:06

Can someone explain why the following doesn\'t work as I expect?

Pressing the button \'should\' result in the display only containing the (empty) JScrollPane, ie the

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  •  有刺的猬
    2020-11-27 08:38

    When updating a visible GUI the code should be:

    panel.revalidate();
    panel.repaint(); // sometimes needed, this appears to be one of them
    

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