What are abstract methods?
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What is dynamic or run time polymorphism?
Explain about object oriented databases?
What does the keyword virtual represented in the method definition?
What is the main difference between a class and an object?
What are sealed modifiers?
How do I make sure that an object is released in code such as a connection or file object?
Define Data Abstraction. What is its importance?
What's the benefit of using inheritance?
Differentiate between Aggregation and containment?
Explain method overriding.
Explain about abstraction?
What is the difference between class inheritance and interface inheritance?