Write a note about inheritance?
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What is the difference between class and interface?
Why are virtual users created?
Why dynamic loading is used in object-oriented programming?
What are a base class, subclass, and superclass?
Which OOPS concept exposes only the necessary information to the calling functions?
What is inheritance?
Can an interface have an inner class?
Can we have a default method definition in the interface without specifying the keyword "default"?
What is hybrid inheritance?
What is the use if instanceof keyword? And how do refer to a current instance of object?
What are abstract methods?
Explain persistence?