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All classes and class instances are said to be objects, as are
instances of the Object class, which you learn about in
Segment 253. Usually, however, when you see the word
object, it generally refers to a class instance, rather than a
class. Usually, context identifies exceptions.
In the rest of this book, we avoid the ambiguity of the word object
by using the word class and the phrase class instance (or
more concisely, instance), when referring to classes and class
instances. We reserve the word object for instances of the
Object class.