Explain about object oriented databases?
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What is the difference between public, private and protected access modifiers?
Can we override a method by using same method name and arguments but different return types?
Is iterator a class or interface? What is its use?
How to define an abstract class?
What is the difference between an abstract class and interface in java?
What are the Differentiate between abstraction and encapsulation.
What is a constructor in class?
what are the main underlying concepts of object orientation?
Explain about abstraction?
What is the use of ‘finalize’?
What is difference between encapsulation and abstraction?
What are sealed modifiers?