Difference between abstraction and implementation hiding ?
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What is the diffrence between an abstract class and interface?
Difference Between Attribute and Association.
Which oops concept is used as reuse mechanism?
State some of the advantages of object oriented programming?
Can you define OOP and principles of OOP?
What are the four important foundation concepts of OOP ?
What is an abstraction and why is it important?
What is the abstract method modifier?
Why is class hierarchies managed in object-oriented programming?
Are constructors inherited? Can a subclass call the parent's class constructor? When?
Can an interface implement or extend another interface?
Explain serialization and overriding?