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Q-1 What is meant by Object Oriented Programming?         OOP is a method of programming in which programs are organized as cooperative        collections of  objects. Each object is an instance of a class and each class belong to        a hierarchy. Q-2 What is an Instance?        An instance has state, behavior and identity. The structure and behavior of similar        classes are defined in their common class. An instance is also called as an object.  Q-3 What is a Class?       Class is a template for a set of objects that share a common structure and a common behavior.  Q-4 What are the core OOP’s concepts?      Abstraction, Encapsulation, Inheritance and Polymorphism are the core OOP’s concepts. Q-5 What is a base class?      Base class is the most generalized class...

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