Explain OOPS.
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What is a final variable?
Explain about encapsulation?
What is data encapsulation and what's its significance?
Are constructors inherited? Can a subclass call the parent's class constructor? When?
What is a static method? Why do we need static methods in java 8 interfaces?
Differentiate between an abstract class and an interface?
What is the significance of encapsulation?
What's the benefit of using inheritance?
Explain the rationale behind object oriented concepts?
Write down how will you create a Binary tree?
If there is a conflict between base class method definition and interface default method definition, which definition is picked?
Can I implement polymorphism using abstract class?