Remove “X” button in Swing JDialog

Question

Is there a way to remove the close button (\"X\") from the JDialog title bar?

Answer 1

You can remove the whole dialog title by calling dialog.setUndecorated(true) but this means that the dialog can't be moved anymore.

You can also execute dialog.setDefaultCloseOperation(WindowConstants.DO_NOTHING_ON_CLOSE) to prevent that the button does anything.

Besides that, I don't think that there's a way to remove the X completely.