How many methods are there in the serializable interface?
What are the four important foundation concepts of OOP ?
What is virtual?
How to differentiate between a CreateObject() and GetObject() ?
What do you mean by data hiding?
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State about java and its relation to object oriented programming?
Is @functionalinterface annotation mandatory to define a functional interface? What is the use of @functionalinterface annotation? Why do we need functional interfaces in java?
How do we implement serialization actually?
Explain what is polymorphism?
How to achieve data abstraction?
Difference between composition and inheritance ?
Write about abstract base classes?
What is a try/ catch block?