What is the use if instanceof keyword?
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What's the benefit of using inheritance?
explain the difference between operator overloading and function overloading.
Tell me something about abstract classes?
What is the benefit of Composition over Inheritance?
What is polymorphism and abstraction?
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What are a base class, subclass, and superclass?
Are constructors inherited? Can a subclass call the parent's class constructor? When?
Is class an Object? Is object a class?
What are the various types of constructors?
What is the difference between an Abstract class and Interface?
What is the difference abstract class and interface?
What is difference between static and non-static fields of a class?