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How many types of output stream classes are there in c++?

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+1 vote
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in C++ by (98.8k points)
How many types of output stream classes are there in c++?

(a) 1

(b) 2

(c) 3

(d) 4

This question was addressed to me during an internship interview.

I need to ask this question from Output Stream topic in portion Strings, Streams & Numerics in C++ of C++

1 Answer

+1 vote
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Best answer
Right option is (c) 3

The best I can explain: There are three output stream classes in c++. They are ostream, ofstream and ostrstream.

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