What is difference between static and non-static fields of a class?
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Explain persistence?
What is sealed modifiers?
What is the difference between an interface and abstract class?
Explain about Overloading vs Overriding ?
How to define an abstract class?
What is the difference between class and interface?
Define Destructor?
What are the features of encapsulation ?
How to achieve data abstraction?
When will you use an interface and abstract class?
Explain the use of Vtable and what are the various problems to override the functions?
Difference between composition and inheritance ?