Although Arduino's programming language is based on C++, you won't be able to use all of its commands. But, you can still use objects in Arduino's IDE, which are a fundamental aspect of C++.

(Yes, you probably have to look that up now.) Over the years, I have learned to use different languages on different machines—some too obscure to be mentioned. Over the last 10 years as an educator, I ...

Arduino microcontrollers have added Python to the range of compatible programming languages. Others can be used, and not just Arduino's own IDE app.