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What is meant by the following terms: subclass, superclass, and inheritance? True or false: The stream class hierarchy of Figure shows that istream is a

What is meant by the following terms: subclass, superclass, and inheritance?

True or false: The stream class hierarchy of Figure shows that istream is a subclass of istring stream.

Why does the copy Stream function take arguments of type istream and o stream instead of if stream and of stream?

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