As a rule of thumb, when you are defining a new class of objects, you should look around for a class that already supports some of the structure and behavior of such objects, and then subclass that class to provide the service you need.

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Quizplus · Accepted Answer

This is known as the "inheritance principle" and is a commonly used technique in object-oriented programming. Instead of creating entirely new classes from scratch, it is often easier and more efficient to borrow from existing classes and tailor them to our specific needs.

As a Rule of Thumb, When You Are Defining a New