What is C++?
C++ is an object-oriented programming (OOP) language that is viewed by many as the best language for creating large-scale applications. C++ is a superset of the C language. A related programming language, Java, is based on C++ but optimized for the distribution of program objects in a network such as the Internet.
Install C++ compiler by installation of the development package build-essential:
sudo apt install build-essential
Check C compiler version: