Swing II - Absolute Java - page 1074

There are a number of other ways to accomplish the same thing. Here are two of
a number of valid alternatives:
JButton magicButton = new JButton("Magic Button");
magicButton.setIcon( new ImageIcon("wizard.gif"));
ImageIcon wizardIcon = new ImageIcon("wizard.gif");
JButton magicButton =
new JButton("Magic Button", wizardIcon);
6. ImageIcon wizardIcon = new ImageIcon("wizard.gif");
JLabel wizardPicture = new JLabel(wizardIcon);
picturePanel.add(wizardPicture);
There are a number of other ways to accomplish the same thing. Here is one valid
alternative:
picturePanel.add( new JLabel(
new ImageIcon("wizard.gif")));
7. ImageIcon wizardIcon = new ImageIcon("wizard.gif");
JButton magicButton = new JButton(wizardIcon);
magicButton.setActionCommand("Kazam");
There are a number of other ways to accomplish the same thing. Here is one valid
alternative:
JButton magicButton =
new JButton( new ImageIcon("wizard.gif"));
magicButton.setActionCommand("Kazam");
8. No. You can invoke none, one, or both methods.
9. No. The class JTextArea is a descendent class of the class Component . So, every
JTextArea is also a Component .
10. g.drawLine(30, 40, 100, 60);
11. g.drawLine(30, 40, 130, 40);
12. graphicsObject.drawLine(30, 40, 30, 140);
13. graphicsObject.fillRect(20, 30, 100, 50);
14. g.fillRect(200, 300, 100, 50);
15. g.drawOval(250, 350, 100, 100);
16. g.drawOval(200, 300, 200, 200);
17. Insert g.setColor(Color.GREEN) as indicated next:
// Draw Eyes:
g.setColor(Color.BLUE);
g.fillOval(X_RIGHT_EYE, Y_RIGHT_EYE, EYE_WIDTH, EYE_HEIGHT);
g.setColor(Color.GREEN);
g.fillOval(X_LEFT_EYE, Y_LEFT_EYE, EYE_WIDTH, EYE_HEIGHT);