Why is class hierarchies managed in object-oriented programming?
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What is a constructor in class?
Explain the different types of constructors
What are manipulators?
What is serialization? How do we implement serialization actually?
Explain about message passing in object oriented programming?
Why use oops?
Define modularity?
What is the super keyword?
Can you create an instance of an abstract class?
What is difference between encapsulation and abstraction?
When will you use an interface and abstract class?
What is the use if instanceof keyword?