Java How to Program, Early Objects, 11th Edition

... 67      private final static String[] images = { "yellowflowers.png",
68         "purpleflowers.png", "redflowers.png", "redflowers2.png",
69         "lavenderflowers.png" };
70
71        // load image
72        public MyJPanel()
73        {
74           int randomNumber = generator.nextInt(images.length);
75           picture = new ImageIcon(images[randomNumber]); // set icon
76        }
77
78        // display imageIcon on panel
79        @Override
80        public void paintComponent(Graphics g)
81        {
82           super.paintComponent(g);
83           picture.paintIcon(this, g, 0, 0); // display icon
84        }
85
86      // return image dimensions
87      public Dimension getPreferredSize()
88      {
89         return new Dimension(picture.getIconWidth(),
90            picture.getIconHeight());
91      }
92   } // end class MyJPanel

Lines 27–33 create a JMenuBar, a JMenu and a JMenuItem, add the ...