Modeling Real-World Systems
One of the primary goals of object-oriented (OO) programming is to model real-world systems in ways similar to the ways in which people actually think. Designing classes is the object-oriented way to create these models. Rather than using a structured, or top-down, approach, where data and behavior are logically separate entities, the OO approach encapsulates the data and behavior into objects that interact with each other. We no longer think of a problem as a sequence of events or routines operating on separate data files. The elegance of this mindset is that classes literally model real-world objects and how these objects interact with other real-world objects.
These interactions occur in a way similar to the interactions ...
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