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Editorial Team
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Asked: 2026-05-11T19:30:10+00:00

I wonder if there’s a good documentation (or a (viewable) ebook) about the lifecycle

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I wonder if there’s a good documentation (or a (viewable) ebook) about
the lifecycle of Swing components.

Is “lifecycle” the correct term, anyway?

I hope to find answers to question such as:

  • How, when, in which order painting methods are called?
  • How, when, which events are called by whom?
  • What is the exact sequence of method calls for component creation?

From time to time I encounter strange behavior of my apps, for example:

  • ComponentListener’s resize event is called before setVisible(true)
    (so that root pane has negative dimensions!)
  • Some components are laid out correctly only after resizing the JFrame by hand
  • Changing a super class from JPanel to JLayeredPane causes my class
    to be laid out differently inside an other container.
  • And lot of other strange things…
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1 Answer

  1. Editorial Team

    I had the same question long ago.

    I can’t believe how hard is to find a good resource about this topic in the internet.

    Fortunately I’ve found this link and now I have it in my bookmark with golden tag. 🙂

    A Swing Architecture Overview

    Once you have a good grasp of how they work conceptually you will be able to fix most of the problems you mention.

    I hope it helps.

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