From your import statement it looks like you want to write a Swing (vis–a–vis AWT) application. It is recommended that we do not mix them; use either all AWT or all Swing. So the first change is to make everything a "J" component.
Writing GUI apps requires some learning about layout managers. If you'll read about the basic ones, viz, FlowLayout, BorderLayout and GridLayout, and learn to use them you can layout just about anything in your GUIs. Using a combination of layout managers is easy; just build one JPanel at a time.
This line is okay
as long as your CheckBoxListener class doesn't have any other methods in it that you need to call with the reference cblistener. Otherwise you would declare it
Don't change ponies in mid–stream:
[ September 05, 2004: Message edited by: Craig Wood ]