Java tutorial
// : c14:Button2b.java // Using anonymous inner classes. // <applet code=Button2b width=200 height=75></applet> // From 'Thinking in Java, 3rd ed.' (c) Bruce Eckel 2002 // www.BruceEckel.com. See copyright notice in CopyRight.txt. import java.awt.Container; import java.awt.FlowLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.JApplet; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JTextField; public class Button2b extends JApplet { private JButton b1 = new JButton("Button 1"), b2 = new JButton("Button 2"); private JTextField txt = new JTextField(10); private ActionListener bl = new ActionListener() { public void actionPerformed(ActionEvent e) { String name = ((JButton) e.getSource()).getText(); txt.setText(name); } }; public void init() { b1.addActionListener(bl); b2.addActionListener(bl); Container cp = getContentPane(); cp.setLayout(new FlowLayout()); cp.add(b1); cp.add(b2); cp.add(txt); } public static void main(String[] args) { run(new Button2b(), 200, 75); } public static void run(JApplet applet, int width, int height) { JFrame frame = new JFrame(); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.getContentPane().add(applet); frame.setSize(width, height); applet.init(); applet.start(); frame.setVisible(true); } } ///:~