Eine gute Antwort könnte sein:

Just once, at least that is how it should be.

End of the Chapter

That buttons it up for this chapter. If one or two topics have not yet clicked, you may wish to review the following.

The content pane of a frame.
The layout manager for a Frame.
The ActionListener for a Button.
Registering an ActionListener.
The repaint() method
Changing the color of a Frame's background.
Complete example program with one button.
Details of the actionPerformed() method.
Picture of the classes and objects in the one-button example.

The next chapter will discuss more about GUI components.

Back to the main menu.

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