Write basic concepts of oops?
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Write a note on encapsulation?
Can you think of some nice examples where *multiple* actors are associated with a use case ?
What is a virtual function?
Can we override static methods of a class?
How do you prevent a class from being inherited by another class?
Can you instantiate an abstract class and what is an inner class?
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Define Data Abstraction. What is its importance?
Can you call the base class method without creating an instance?
What is the use if instanceof keyword? And how do refer to a current instance of object?
Explain the term constructor
How does abstraction differ from encapsulation.
Differentiate between data abstraction and encapsulation.