Why is class hierarchies managed in object-oriented programming?
What is meant by “abstract interface”?
Can an interface have an inner class?
What are the Design Patterns you know.
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What's the order of call of constructors in inheritiance?
How to achieve data abstraction?
What is abstract method?
Explain about inheritance in oops?
Can we access interface static method using interface references?
Explain about inheritance hierarchies?
What are the Differentiate between abstraction and encapsulation.
What are the properties that are defined in an object model?
What do you mean by "explicitly implemeting an interface". Give an example?