How to close the program in Java completely in Swing

A Java Swing application can be closed using the following code segment to retrieve the parent of the container, check if it is a JFrame and then dispose the JFrame: public class btnCancelListener implements ActionListener { public void actionPerformed(ActionEvent ev) { Container bframe = btnCancel.getParent(); bframe = bframe.getParent(); while (! (bframe instanceof JFrame)) { System.out.println("Done"); … Continue reading How to close the program in Java completely in Swing