What is constructor and virtual function? Can we call virtual funciton in a constructor?
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What do you mean by virtual function and virtual classes?
what is full form OOP?
What is meant by “abstract interface”?
Difference: Object Oriented Analysis (OOA) and Object Oriented Design (OOD)?
What are the features of encapsulation ?
Is @functionalinterface annotation mandatory to define a functional interface? What is the use of @functionalinterface annotation? Why do we need functional interfaces in java?
What is Abstract method and how different from Virtual Method?
What is the difference between static and dynamic Classificaition.Give some examples.
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Does a concept HAVE to become a class in Design?
Why use oops?
What is single and multiple inheritance?
Explain about a class?