Which use in C++

Question

Which program

Answer 1

Hey Ñàllà Píàyàñ KB
Greetings Buddy.

What do you exactly mean?
You want to know use of C++?

Well C++ is base of object oriented programming.
C++ is used in various fields as it's fastest language(I consider)
It can be used in App development, Game development, OS, and nowadays on server side also.
So I would say C++ is used in pretty much every field.