The method actionPeformed in Listing 6.22 contains the following line: Container contentPane = getContentPane(); Does the content pane have to be named contentPane, or could it be named something...

The method actionPeformed in Listing 6.22 contains the following line:

Container contentPane = getContentPane();

Does the content pane have to be named contentPane, or could it be

named something else, as in the following:

Container insideOfApplet = getContentPane();