import java.applet.Applet; import java.awt.*; import java.awt.event.*; public class WhichButton extends Applet implements ActionListener { private Button first, second; private TextField result; public void init() { first = new Button("Left"); add(first); first.addActionListener(this); second = new Button("Right"); add(second); second.addActionListener(this); result = new TextField(11); add(result); } // init public void actionPerformed(ActionEvent ev) { if (ev.getSource() == first) result.setText("Left pressed"); if (ev.getSource() == second) result.setText("Right pressed"); } // actionPerformed } // WhichButton