Question

in C++ :

Briefly explain what is bad (exactly 1 weakness), though syntactically correct, about the
following code :

class CCar { ... };
class CEngine : public CCar { ... };
class CPiston : public CEngine { ... };
class CWindow : public CCar { ... };
class CDriver    : public CCar { ... };

Answer 1

Engine, Piston and Window are part of Cars.. Hence it makes sense for their direct association with the car.. The Driver is an independent entity, which can exist without a Car too.. Hence driver should be having has-A relationship with Car, not a is-A relation..