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To create an instance of an array, you send the new: message to the
Array class, with the number of elements in the array supplied as
the argument.
The following, for example, creates a four-location Array instance,
and assigns that instance to a global variable, Calories:
*-- Tells the Array class
| to create a new instance
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| *-- Specifies that the instance
| | is to contain four elements
v v
Calories := Array new: 4