Explain persistence?
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Why are virtual users created?
What is meant by overloading functions and operators?
What is diamond inheritance problem? How java 8 solves this problem?
How do I make sure that an object is released in code such as a connection or file object?
Can an interface inherit from another interface?
What do you mean by Realization?
What is the difference between multiple and multilevel inheritance?
Explain the purpose of composition.
Difference: Object Oriented Analysis (OOA) and Object Oriented Design (OOD)?
Can we override a method by using same method name and arguments but different return types?
What is a Persistent, Transient Object?
What is operator overloading?