What are base class, sub class and super class?
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How many instances can be created for an abstract class?
Differentiate between Aggregation and containment?
Is iterator a class or interface? What is its use?
What is meant by “abstract interface”?
what are the main underlying concepts of object orientation?
What is an USECASE? Why it is needed?
Explain about uml?
What are different ways to create string object?
What is an interface?
What is difference between class and interface?
How to achieve data abstraction?
What is data encapsulation and what's its significance?