Explain about inheritance?
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Are constructors inherited? Can a subclass call the parent's class constructor? When?
What is the default access modifier for a class,struct and an interface declared directly with a namespace?
Explain about encapsulation?
What is data encapsulation and what's its significance?
What are sealed modifiers?
What is the difference between aggregation and composition?
Differentiate between overloading and overriding.
What is a nested interface?
Why do we separate interface from implementation?
Why we use oops concepts? What is its advantage?
What is dynamic or run time polymorphism?
Why is message passing between the objects important?