What is serialization? How do we implement serialization actually?
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What is a nested interface?
What is the need of multiple inheritance?
What are all the operators that cannot be overloaded?
Describe inheritance and non-inheritance of a derived class?
Can we have a default method definition in the interface without specifying the keyword "default"?
Which OOPS concept exposes only the necessary information to the calling functions?
What are inner classes and what is the practical implementation of inner classes?
Can we reduce the visibility of the inherited or overridden method ?
What is the @functionalinterface annotation?
What do you mean by "explicitly implemeting an interface". Give an example?
How can we restrict inheritance for a class so that no class can be inherited from it?
Explain what is meant by polymorphism?