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Which of these interface extends DataOutput interface?

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Which of these interface extends DataOutput interface?

(a) Serializable

(b) Externalization

(c) ObjectOutput

(d) ObjectInput

I had been asked this question in an interview.

My question comes from Serialization in division Serialization & Networking of Java

1 Answer

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Best answer
Right choice is (c) ObjectOutput

The explanation is: ObjectOutput interface extends the DataOutput interface and supports object serialization.

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