Can you create an instance of an interface?
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If a method definition has been specified in the 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?
what are the main underlying concepts of object orientation?
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?
What does it mean that a method or class is abstract?
Difference: Object Oriented Analysis (OOA) and Object Oriented Design (OOD)?
Are constructors inherited? Can a subclass call the parent's class constructor? When?
What is data encapsulation and what is its significance?
Can you call the base class method without creating an instance?
What is the main advantage of using inheritance?
Why should project managers complete hard problems first in an OOSAD project?
Why are virtual users created?
What are the features that are provided to make a program modular?