What is the main use of message metaphor in object-oriented programming?
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How can we restrict inheritance for a class so that no class can be inherited from it?
What is difference between encapsulation and abstraction?
What are abstract functions? Why are they used?
What is early and late Binding?
What are the different types of arguments?
Difference between composition and inheritance ?
Can I implement polymorphism using abstract class?
Differences between functional programming and object-oriented programming?
What are abstract methods?
Explain the abstract class modifier?
What is the abstract method modifier?
How will you define abstract classes?