Quiz Questions
For Chapter 7

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 canvas can be used to do double buffering. Explain this. (What are off-screen canvases? How are they used? Why are they important? What does this have to do with animation?)

Question 3: One of the main classes in the AWT is the Component 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 Checkbox and how is it used?

Question 7: What is a thread?

Question 8: If you want to program an applet to show an animation, you have to create a thread. Why?

Question 9: What is meant by a non-static nested class? What are the advantages of using one?

Question 10: What is the purpose of the Frame class?

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