What are abstract methods?
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What is sealed modifiers?
How does abstraction differ from encapsulation.
What is the difference between a virtual method and an abstract method?
What is the difference between class and interface?
Explain the rationale behind object oriented concepts?
What is the use if instanceof keyword? And how do refer to a current instance of object?
How do you prevent a class from being inherited by another class?
Explain what is object oriented programming language?
What do you meant by static and dynamic modeling?
What is the main difference between a class and an object?
Explain what is polymorphism?
What are the various types of constructors?