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Which of these classes is used for input and output operation when working with bytes?

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Which of these classes is used for input and output operation when working with bytes?

(a) InputStream

(b) Reader

(c) Writer

(d) All of the mentioned

This question was addressed to me during a job interview.

Asked question is from Java.io Byte Streams topic in chapter Exploring java.lang & java.io of Java

1 Answer

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Best answer
The correct choice is (a) InputStream

The best I can explain: InputStream & OutputStream are designed for byte stream. Reader and writer are designed for character stream.

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