C++ classes require destructors. A destructor is responsible for de-allocating any dynamic memory that an object uses. If you don't write a destructor for a class a default one is created for you. It ...

For many embedded C developers the most predominate and questionable feature of C++ is the class. The concern is that classes are complex and therefore will introduce code bloat and increase runtim… ...

Of course, C++ has object-oriented features that aren’t available with C. Thus, a host of rules specific to MISRA C++ are related to things like class and object definitions.