How to run function(s) on ANY program exit?

I can easily do this when someone selects "Exit" from the program's menu, with this code:
AllSortsOfExitCode()
System.out.println("Ok, everything is wrapped up. Now we will end the program.");
System.exit(0);
BUT...how do you get this code to run when someone clicks the little X in the upper-right hand corner?
I can't figure out how to do that.
I need to override the class destructor or something, but I don't think Java has destructors in the classic sense. I found one 4-page thread about "Java destructors" but it was just an argument between a couple people -- I didn't learn anything from it.
Thanks,
Matthew

CathInfo wrote:
BUT...how do you get this code to run when someone clicks the little X in the upper-right hand corner?
Thanks,
MatthewThe earlier replies cover the case you described above. But your thread title says something else:
How to run function(s) on ANY program exit?Answer - you can't. Power loss can't be handled. Shutdoen hooks can help with most other conditions, see
http://www.google.com/search?num=100&hl=en&c2coff=1&q=java+shutdown+hook&btnG=Search

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Message was edited by: AtomicRussian

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Message was edited by: AdrianWiecek

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