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Alex Rivera
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I just wrote this test code in my CustomUIPanel class: public static void main(String[] args) { final JDialog dialog = CustomUIPanel.createDialog(null, CustomUIPanel.selectFile()); dialog.addWindowListener(new WindowAdapter() { @Override public void windowClosing(WindowEvent e) { System.exit(0); } }); } It works correctly if CustomUIPanel.main() is the program's entry point, but it makes me wonder something: what if another class called CustomUIPanel.main() for testing? Then my call to System.exit(0) is incorrect. Is there a way to tell the Swing event dispatch thread to exit automatically if there are no top-level windows? If not, what's the right thing for a JDialog/JFrame to do upon closing if the goal is for the program to exit when all the top level windows are closed?
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