Please help - What do input and output have in common?

- Which of these is NOT a level at which reading and writing of data can take place?

1. characters

2. bytes

3. paths

4. fields

- If a program closes abnormally, where may information be retained?

- Fill in the blank with the correct response.

If one is reading and writing objects to a file, one is making use of , which is a simplified process in Java.

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