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Exercises

Java graphics roundbullet.gif A.1 Write a version of In that prints an informative message about what is wrong with the input for each possible exception that might arise.

Java graphics roundbullet.gif A.2 Write a class that extends Applet and provide implementations of In and Out so that you can accept input and provide output in an applet window. Your goal is to make it possible for driver code in programs such as Program 1.1 to be used with as few changes as possible.


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