Sollicitatievraag bij Susquehanna International Group

When using a virtual method, how does the machine know to call the derived class's implementation rather than the base class? (under the hood)

Antwoorden op sollicitatievragen

Anoniem

2 dec 2010

virtual table in memory

1

Anoniem

29 jan 2011

All objects have an object ID embedded in them. So, the compiler generates code which dynamically binds the object ID to the right derived class's member function.