// Fig. 8.6: Increment.java // Initializing a final variable import java.awt.*; import java.awt.event.*; import javax.swing.*; public class Increment extends JApplet implements ActionListener { private int count = 0, total = 0; private final int INCREMENT = 5; // constant variable private JButton incr; public void init() { Container c = getContentPane(); incr = new JButton( "Click to increment" ); incr.addActionListener( this ); c.add( incr ); } public void actionPerformed( ActionEvent e ) { total += INCREMENT; count++; showStatus( "After increment " + count + ": total = " + total ); } } /************************************************************************** * (C) Copyright 1999 by Deitel & Associates, Inc. and Prentice Hall. * * All Rights Reserved. * * * * DISCLAIMER: The authors and publisher of this book have used their * * best efforts in preparing the book. These efforts include the * * development, research, and testing of the theories and programs * * to determine their effectiveness. The authors and publisher make * * no warranty of any kind, expressed or implied, with regard to these * * programs or to the documentation contained in these books. The authors * * and publisher shall not be liable in any event for incidental or * * consequential damages in connection with, or arising out of, the * * furnishing, performance, or use of these programs. * *************************************************************************/