Get the application closing event

Question

How to get to the application closing event?

I want to get application to save all unsaved operations or show the user a message \"Are you sure about closing withou

Answer 1

You have to add WindowListener to your JFrame / JDialog, about closing event is there method public void windowClosing(WindowEvent e) { code example here

Answer 2

You can use sun.misc.Signal or Runtime.getRuntime().addShutdownHook

More info

Answer 3

You could use a shutdown hook. It works for Swing, AWT and even console applications.

Example:

Runtime.getRuntime().addShutdownHook(new Thread()
{
    @Override
    public void run()
    {
        //do your stuff
    }
});