Java How to Program, Early Objects, 11th Edition

... 45              JOptionPane.showMessageDialog(ButtonFrame.this, String.format(
46                 "You pressed: %s", event.getActionCommand()));
47           }
48        }
49   }

Fig. 26.16 Testing ButtonFrame.

 1   // Fig. 26.16: ButtonTest.java
 2   // Testing ButtonFrame.
 3   import javax.swing.JFrame;
 4
 5   public class ButtonTest
 6   {
 7      public static void main(String[] args)
 8      {
 9         ButtonFrame buttonFrame = new ButtonFrame();
10         buttonFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
11         buttonFrame.setSize(275, 110);
12         buttonFrame.setVisible(true);
13      }
14   }

26.9-3 Full Alternative Text

Lines 14–15 declare JButton variables plainJButton and fancyJButton. The corresponding objects are instantiated ...