Explain about polymorphism?
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What is the difference between multiple and multilevel inheritance?
What is the function of messaging metaphor?
Is @functionalinterface annotation mandatory to define a functional interface? What is the use of @functionalinterface annotation? Why do we need functional interfaces in java?
What are abstract classes?
Can encapsulation be called as a security device?
Explian following terms: Constraint Rules, Design by contract.
What is the difference between static and dynamic Classificaition.Give some examples.
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Does java support multiple inheritance? if not, what is the solution?
What does the “abstract” keyword mean in front of a method? A class?
What is Object Constraint Language (OCL)?
Why dynamic binding is used in object-oriented programming?
What is the significance of encapsulation?