Do I need to learn bitwise operations?

Question

C++ / C#

Now I'm reading metanit, and there, from the first topics, are these bitwise operations? And I have one question: "Why?". I just don't think it's needed right now. They haven’t talked about methods and so on yet, but they are already talking about it in detail, as if it were a very important thing. Do I need to study this topic, and if so, when?

Answer 1

Learn? No, it's unnecessary. Learn (cram) poetry.
Study? Yes, it is quite. It takes no more time than smoking a cigarette. And applicability - well, let's fantasize ... Suppose you want to find out the presence of Russian characters in a stream of bytes (for example, from an ASCII text file ...)