Differentiate between data abstraction and encapsulation.
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Explain Class Diagram in Detail.
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When will you use an interface and abstract class?
What is the difference between data hiding and implementation?
What is the use if instanceof keyword? And how do refer to a current instance of object?
What are the good practices to use while designing for reuse?
Explain about inheritance?
What is difference between polymorphism and normalization?
What are the problems faced by the developer using object oriented programming language?
How to resolve many to many relationship?
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What are all the operators that cannot be overloaded?
What are the methods required to create changes in subclasses?
What are inner classes and what is the practical implementation of inner classes?