Are threads part of standard C++?

Question

Is there thread handling in new C++ standard? And if i will write multithreaded apps does it mean application will use more cores of cpu? ( if available )

Answer 1

Is there thread handling in new C++ standard?

Yes, as of C++11 there is std::thread, std::async and others.

And if i will write multithreaded apps does it mean application will use more cores of cpu? ( if available )

Only if you use them right.