What are the basic concepts of oop?
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Can a class implement two interfaces having default method with same name and signature?
Is is possible to define our own functional interface?
Difference between class and an object?
How to achieve data abstraction?
What is the difference between multiple and multilevel inheritance?
Explain the concept of multiple inheritance (virtual inheritance). Write about its advantages and disadvantages?
What is a friend function?
Why are virtual users created?
What are associative classes?
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What is an USECASE? Why it is needed?
What is abstract method?
What are base class, sub class and super class?