CHAPTER 56 — Swing Frames

Most GUI programs are created by extending the class JFrame. The JFrame class holds the basic GUI functionality; your extentions add to this just the functions needed for your application. This chapter introduces these ideas.

Chapter Topics:

The three parts of a GUI.
The JFrame class.
Extending the JFrame class
the paint() method.
the drawString() method.

It may be helpful at times to refer back to the class hierarchy diagrams of the previous chapter.

QUESTION 1:

(Review: ) What are the three parts of a GUI program?

Graphical __________ that make up the Graphical User Interface.
____________ methods that receive the events and respond to them.
____________ methods that do useful work for the user.