How Can I Programmatically Trigger a JFrame's Close Button Behavior?

How to Trigger Close Behavior in JFrame Programmatically

Contrary to the default close operation, the goal here is to emulate the behavior triggered by pressing the X close button or using the Alt F4 shortcut.

To achieve this specific closure behavior, dispatch a window closing event to the JFrame. The ExitAction class from the Closing An Application package provides a convenient mechanism for implementing this functionality.

In code, utilize the following syntax:

frame.dispatchEvent(new WindowEvent(frame, WindowEvent.WINDOW_CLOSING));

This invocation will trigger the sequence of callback methods as if the user had clicked the X close button, including windowDeactivated(), windowClosing(), and windowClosed().

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