Playing sound when showing popup in Swing?

I have a frame which pops up whenever an event occurs.

Whenever that frame pops up, I want开发者_Go百科 a sound to be played.

How can I do that in Swing?

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A very simple solution is using Toolkit.getDefaultToolkit().beep();

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Check this question in this same site: How can I play sound in Java?

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Subclass JDialog or similar and on the constructor/setVisible method of the derived class play a sound with one of the fore mentioned methods.