What is a nested interface?
What do you mean by virtual function and virtual classes?
what is meant by "method-wars"?
What is the order of call of constructors in inheritiance?
Can we reduce the visibility of the inherited or overridden method ?
Write about abstract base classes?
What is serialization? How do we implement serialization actually?
What are the Differentiate between abstraction and encapsulation.
What is difference between polymorphism and normalization?
What is a pure virtual function?
What is function override?
why do requirements change so much? after all, don't people know what they want?
Is @functionalinterface annotation mandatory to define a functional interface? What is the use of @functionalinterface annotation? Why do we need functional interfaces in java?