What is the difference between aggregation and composition?
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What is difference between class and interface?
State some of the advantages of object oriented programming?
How does abstraction differ from encapsulation.
What is the use of interface?
what is full form OOP?
Can a class implement two interfaces having default method with same name and signature?
Is is possible to define our own functional interface?
What are the Differentiate between abstraction and encapsulation.
What is bootstrap, extension and system class loader? Or can you explain primordial class loader?
What is data abstraction? what are the three levels of data abstraction with Example?
What is a friend function?
What is overriding?