What is a virtual function?
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What is the practical implementation of inner classes?
State two differences between an object and a class.
What is the main use of message metaphor in object-oriented programming?
Can constructors be parameterized?
What is overriding?
what is virtual function and pure virtual function ?
What is ‘this’ pointer?
Can we have a default method definition in the interface without specifying the keyword "default"?
What is the difference between an error and an exception?
Explain persistence?
What is the difference between abstract & interface?
What do you mean by virtual function and virtual classes?