What is polymorphism? When is it employed? give an example.
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Every object has : state, behavior and identity - explain
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Can different parts of a partial class inherit from different interfaces?
Difference: 'uses', 'extends', 'includes'
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Explain OOPS.
Which OOPS concept exposes only the necessary information to the calling functions?
Explain about multiple inheritance?
Is iterator a class or interface? What is its use?
What is the use if instanceof keyword? And how do refer to a current instance of object?
What is difference between polymorphism and normalization?
Explain the meaning of object in object oriented programming?
What are virtual functions, base class pointer, derived class pointer, biding references?
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Write basic concepts of oops?
Design Patterns 
