Write basic concepts of oops?
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Can an interface have an inner class?
Differentiate between data abstraction and encapsulation.
What is the difference between an error and an exception?
Differentiate between overloading and overriding.
What is dynamic or run time polymorphism?
How do we implement serialization actually?
Explain about Overloading vs Overriding ?
Define Data Abstraction. What is its importance?
What is the difference between multiple and multilevel inheritance?
Explian following terms: Constraint Rules, Design by contract.
What is the diffrence between an abstract class and interface?
Can you create an instance of an abstract class?