What is a nested interface?
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Difference between class and an object?
If a method definition has been specified in the base class and the interface which the class is implementing, which definition will be picked if we try to access it using interface reference and class object?
what are the main underlying concepts of object orientation?
What is the difference abstract class and interface?
Explain about overriding polymorphism?
What's the benefit of using inheritance?
What is a virtual function?
Difference between abstraction and implementation hiding ?
How does abstraction differ from encapsulation.
What do you mean by abstract classes?
Why do we separate interface from implementation?
Differentiate between Aggregation and containment?