What are the rules to define a functional interface?
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What is a constructor in class?
What is a ternary operator?
What are abstract methods?
Why do we use oops concepts? What is its advantage?
Explian following terms: Constraint Rules, Design by contract.
What is the @functionalinterface annotation?
What is the difference between a virtual method and an abstract method?
What is the difference between multiple and multilevel inheritance?
Is class an Object? Is object a class?
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Why dynamic loading is used in object-oriented programming?
What are associative classes?
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What is the practical implementation of inner classes?