What interface must an object implement before it can be written to a stream as an object?
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Explain the mechanism of composition?
What is the use of ‘finalize’?
What is the difference between a virtual method and an abstract method?
What is method overriding?
Can you think of some nice examples where *multiple* actors are associated with a use case ?
What is difference between static and non-static fields of a class?
Why are outlet connections required in object-oriented programming?
What is association?
What is Polymorphism, overloading, overriding and virtual?
Explain basic concepts of OOPS?
What is polymorphism? When is it employed? give an example.
How to define an interface?