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Lesson A7 - Simple I/O
 
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Summary/Review page 6 of 7

These two classes, Scanner and Formatter, will be used in many programs. They provide you with the flexibility needed to start creating very robust programs. You can now interact with a user instead of simply displaying results on the screen. Go back through some of the programs you have already made and see which ones could benefit from accepting user input or formatting data.

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