What is the function of pure virtual functions?
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How to define an interface?
What do you mean by abstract class?
What does the “abstract” keyword mean in front of a method? A class?
What is difference between polymorphism and normalization?
What do you meant by "SBI" of an object?
What is a Persistent, Transient Object?
Can we have a default method definition in the interface without specifying the keyword "default"?
Explain the abstract class modifier?
How to make a class accessible as a web service?
What is method overriding?
Explain about encapsulation?
What are abstract methods?