JOptionPane Yes or No window

Question

I am trying to create a message with a Yes or No button. Then a window will appear with a certain message that depends on if the user clicked Yes or No.

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Answer 1

You are always checking for a true condition, hence your message will always show.

You should replace your if (true) statement with if ( n == JOptionPane.YES_OPTION)

When one of the showXxxDialog methods returns an integer, the possible values are:

YES_OPTION NO_OPTION CANCEL_OPTION OK_OPTION CLOSED_OPTION

From here