Action events are fired by subclasses of AbstractButton and includes buttons, checkboxes, and menus.
AbstractButton button = new JButton("OK");
button.addActionListener(new MyActionListener());
public class MyActionListener implements ActionListener {
public void actionPerformed(ActionEvent evt) {
// Determine which abstract button fired the event.
AbstractButton button = (AbstractButton)evt.getSource();
}
}
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