C++ is an object-oriented programming language and includes concepts like classes, inheritance, polymorphism, data abstraction, and encapsulation which allow code reusability and makes programs very maintainable. C++ is considered to be an intermediate-level language, as it encapsulates both high- and low-level language features. C++ developers can expect an average of yearly $100, 00 salary with over 7,700 jobs advertised every month.