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| MECA Meeting Schedule: Join us from 8:30—9:00AM for coffee, juice, treats and conbersationSaturday, October 18th, 2008 (Newsletter and directions) |  |
In a small group, i.e. 2 or three at the most, please complete exercise 4.12 on page 83 and 84.
The file you need, Counter.java is on the file site. Use the button on the left and go to class2 folder. Be sure to take the .txt off the file or just paste the text into jgrasp.
This is should not take more than a few minutes, ok, 15 minutes.
Then I will talk about what you have done. DO NOT PRINT OUT THE RESULT, just show it to me. (And save them!)
1 // RedText
2 import java.awt.*;
3 import javax.swing.*;
4
5 public class RedText extends JFrame
6 {
7 private JLabel aLabel; // JLabel that displays text
8
9 // no-argument constructor
10 public RedText()
11 {
12 // get content pane and set layout to null
13 Container contentPane = getContentPane();
14 contentPane.setBackground( Color.LIGHT_GRAY );
15 contentPane.setLayout( null );
16
17 // set properties of application's window
18 setTitle( "REDText Demo" ); // set title bar string
19 setSize( 608, 143 ); // set width and height of JFrame
20 setVisible( true ); // display JFrame on screen
21
22 // set up aLabel
23 aLabel = new JLabel();
24 aLabel.setText( "I am red text on light gray!!" );
25 aLabel.setLocation( 30, 0 );
26 aLabel.setSize( 550, 88 );
27 aLabel.setFont( new Font( "Serif", Font.PLAIN, 36 ) );
28 aLabel.setHorizontalAlignment( JLabel.CENTER );
29 aLabel.setOpaque(false);
30 aLabel.setForeground(Color.RED);
31 contentPane.add( aLabel );
32 }
33
34 // main method
35 public static void main( String[] args )
36 {
37 RedText application = new RedText();
38 application.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );
39
40 } // end method main
41
42 } // end class RedText
