What is a stream?

Question

C++ / C#

Hello
In my view, this is a data overlay (for example, an array), which allows you to conveniently read / write data using a pointer to the current byte. Is this their only purpose?

Answer 1

Good afternoon, in fact, yes, this is a tunnel in which you can write data and also read it.
There are different streams, input streams, output streams, and input / output streams.
Usually this is, as you said, an array, or a pointer to dynamic memory where you can write