listeners (Java)

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public class ClickListener implements ActionListener {!
!public void actionPerformed(ActionEvent e){!
!! JButton button = (JButton)e.getSource();!
!! …!
!}!
}!
…!
ClickListener listener = new ClickListener();!
JButton button = new JButton(’’Click me’’); !
button.addActionListener(listener);!
…!