THIS PAGE CONTAINS A SAMPLE quiz on material from Chapter 7 of this on-line Java textbook. You should be able to answer these questions after studying that chapter. Sample answers to all the quiz questions can be found here.
Question 1: What is the FontMetrics class used for?
Question 2: An off-screen image can be used to do double buffering. Explain this. (What are off-screen images? How are they used? Why are they important? What does this have to do with animation?)
Question 3: One of the main classes in Swing is the JComponent class. What is meant by a component? What are some examples?
Question 4: What is the function of a LayoutManager in Java?
Question 5: What does it mean to use a null layout manager, and why would you want to do so?
Question 6: What is a JCheckBox and how is it used?
Question 7: What is a thread
Question 8: Explain how Timers are used to do animation.
Question 9: Menus can contain sub-menus. What does this mean, and how are sub-menus handled in Java?
Question 10: What is the purpose of the JFrame class?
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