Opioid Analgesics And Liver Disease

Prof meanwhile I can explain more What specifically do these functions: public class

InviaMessaggio
implements ActionListener {public void actionPerformed (ActionEvent e) {try {

scrittore.write (t1.getText ());
scrittore.println (t1.getText ());
scrittore.flush ();
} catch (Exception ex) {ex.printStackTrace ();}
t1.setText
("");}}

also part on the first two functions and the difference that, as seen today, I have not very clear (implements ActionListener) and (actionPerformed (ActionEvent e).
Thanks