What is the main advantage of using inheritance?
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What is difference between class and interface?
When will you use an interface and abstract class?
What is a final variable?
What is the order of call of constructors in inheritiance?
Explain about Overloading vs Overriding ?
What are the interfaces you used in beans?
Can you think of some nice examples where *multiple* actors are associated with a use case ?
What is the significance of encapsulation?
How can we restrict inheritance for a class so that no class can be inherited from it?
State some of the advantages of object oriented programming?
Which oops concept exposes only necessary information to the calling functions?
Define Data Abstraction. What is its importance?