Introduction
This chapter will cover all the input and output features in C++17.
The input and output streams enable you to communicate with the outside world. A stream is an infinite character stream on which you can push or pull data. Push is called writing, pull is called reading.
The input and output streams
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were used long before the first C++ standard (C++98) in 1998,
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are a for the extensibility designed framework,
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are implemented according to the object-oriented and generic paradigms.