what is virtual function and pure virtual function ?
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What is a final variable?
Difference between class and an object?
Can you create an instance of an interface?
What is the use if instanceof keyword? And how do refer to a current instance of object?
Define modularity?
Explain about realistic modeling?
What is bootstrap, extension and system class loader?
What is data abstraction? what are the three levels of data abstraction with Example?
what is full form OOP?
Difference: Object Oriented Analysis (OOA) and Object Oriented Design (OOD)?
Why do we separate interface from implementation?
What is sealed modifiers?