How to Joptionpane the Showconfirmdialog dialog box button to set the monitor

Only recently did you know Javagui programming. I think, write a notepad independently, to set the Monitor in the dialog box of the button. But looking for the API the corresponding method has been found, only to find:

Returns:
An integer indicating the option selected by the user

Showconfirmdialog This method simply returns an int value to identify which button is selected by the user. Looking for a half day also did not find the way to set up monitoring ...

。。

Just then ....

。 A flash of inspiration ~ ~ ~

A very many method returns 0 under normal conditions, and returns 1 if it is not normal.

So I tested it with the following code, for example:

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After I clicked Yes, there was a result:

The "Yes" button on the Description dialog box corresponds to an int value of 0

So don't set up the listener. Add the code that you want to complete directly in the IF.

Above just my humble, suppose through the great God has a better way, oh, I want to leave a message ~~!

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How to Joptionpane the Showconfirmdialog dialog box button to set the monitor