Mastering Java 2025 – 400 Free Practice Questions to Pass the 'Thinking in Java' Exam

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How is a file closed in the BasicFileOutput example?

Using the close method

In the BasicFileOutput example, a file is closed by explicitly calling the close method. The other options are incorrect because

- B: The file will not automatically close when finished, as it needs to be manually closed to avoid potential memory leaks.

- C: The flush method is used to ensure all buffered data is written to the file, but it does not close the file.

- D: Garbage collection only occurs when there are no more references to an object, so relying on it to close a file is not reliable.

Automatically when finished

Using the flush method

By garbage collection

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