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Asked: 2026-05-30T10:51:11+00:00

I’m converting a 2D game from an Applet to a JFrame. I know I

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I’m converting a 2D game from an Applet to a JFrame. I know I should add a JPanel to a JFrame and use the JPanel as my drawing surface but I’m not sure exactly what I should be subclassing. I was trying it with JFrame but I’ve read that it’s usually unnecessary and a bad idea to extend JFrame (I wasn’t adding any extra functionality anyway, so that makes sense). I need to override the paintComponent() method of JPanel so right now I’m leaning towards extending JPanel. Is there a better way of creating a 2D game surface or is extending JPanel and adding that to a JFrame an appropriate way to do it?

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  1. Editorial Team

    No, there is no better way, that’s a very good option.
    If you would extend a JFrame (the other option), your animation would blink on most windows family OS.

    JPanel is a pure swing component and reacts better in java than a peered component like a JFrame.

    Your choice is good, go ahead and have fun programming.

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