What is virtual?
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Difference between abstraction and implementation hiding ?
Write basic concepts of oops?
If a method definition has been specified in class , its base class , and the interface which the class is implementing, which definition will be picked if we try to access it using interface reference and class object?
Can we override a method by using same method name and arguments but different return types?
What is the default access modifier in a class?
Difference: Activity Diagram and Sequence Diagram
What is the super keyword?
Explain about message passing in object oriented programming?
Who is an Actor?
What is the use of destructive method?
Can an interface implement or extend another interface?
What is the function of messaging metaphor?