Closing all JFrames without killing the application

Is there a way I can close all JFrames without quiting the application? I have several JFrames open that I want to dispose of at the same time. Is this possible?

If you close all the JFrames, then how does the user
interact with the application?I think that's outside the scope of the original question, but there are a number of possibilities. To name just a few:
1) The console
2) The program opens a new JFrame after some time has elapsed (maybe an appointment reminder application, or an instant messenger client, for example)
3) The program is really a server, so you don't need to see anything
4) The program is "spyware" so it's meant to be hidden
5) The program runs in full-screen mode part of the time (for example, a game which uses JFrames to choose options, then full-screen for game play)
...

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Hello all,
I'm writting an application at the moment that uses a JFrame as an "about box" invoked when a menu item from another JFrame is selected . The about box is set to undecorated, and I have set up an Thread to handle an animation of the credits that move up slowly. I have also added into it code to play a sound file while the credits are running.
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I hope this is descriptive enough for you.
Please let me know if you have any questions about my question.
Many thanks,
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HTH
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"Okay so to be more specific there is one particular column called "suppliers" which is formatted to be a drop down menu. This menu will be added to monthly thus growing larger and becoming comprehensive. What's the best approach to be able to start fresh every month but with the most recent and up-to-date "suppliers" menu?"
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PS: On re-readiing this, I'd also consider skipping the production and saving of the one cell document. The most current version of the pop-up menu will be the one at the bottom of the Suppliers column of the month just ending. That cell can be copied, pasted into the top cell of the column in the new month's table/document, then reset to the 'no entry' item, then filled down the column.
B

Closing all JFrames without killing the application

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