What do you mean by virtual function and virtual classes?
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Explain the different types of constructors
What is inheritance in java?
If a class inherits an interface, what are the 2 options available for that class?
What are the different types of inheritance?
Tell me something about abstract classes?
What is difference between static and non-static fields of a class?
Explain what is polymorphism?
Explain the use of Vtable and what are the various problems to override the functions?
How many instances can be created for an abstract class?
Define Data Abstraction. What is its importance?
Explain what you understand by function overloading.
Why do we use oops concepts? What is its advantage?