Can an interface have an inner class?
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Can you use virtual, override or abstract keywords on an accessor of a static property?
What is meant by “abstract interface”?
Is class an Object? Is object a class?
What are abstract classes?
Explain method overriding.
Difference between abstraction and implementation hiding ?
What is meant by function overloading and function overriding?
What is an abstract property. Give an example?
How can we call the base method without creating an instance?
What are the limitations of oops?
What is the use of interface?
What is the @functionalinterface annotation?