Goldman Sachs Interview Question Software Engineer / Developers
0of 0 votesVirtual Functions and its implementation
Virtual Functions and its implementation
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Virtual Functions are implemented usign the vtable, which is a table of function pointers for each of the virtual function present in the class.
- leoTheMaverick April 04, 2010The class creates a vtable upon call of its constructor. In case of derived class ,base class creates the initial vtable but constructor of derived class over-rides the entry in the vtable if the virtual function is defined in derived class.