What are virtual functions in programming?
An example of an AI chatbot conversation about virtual functions in programming.
What are virtual functions in programming?
Virtual functions are functions in a base class that you can override in derived classes. They enable polymorphism.
Can you give me an example of how virtual functions work?
Sure! In C++, if you have a base class 'Shape' with a virtual function 'draw()', derived classes like 'Circle' and 'Square' can implement their own versions of 'draw()'.
Why are virtual functions important?
They allow for dynamic binding, meaning the correct function is called based on the object type at runtime, enhancing flexibility.
Are there any downsides to using virtual functions?
Yes, they can introduce a slight performance overhead due to dynamic dispatch and can increase complexity in the code.
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