A circle object, for example, has a data field, radius, which is the property that characterizes a circle. One behavior of a circle is that its area can be computed using the method getArea().
1)To me, area is a property/characteristic, not a behavior
2)getting the area is a behavior, but it`s not a behavior of the circle.
So, why is the getArea() method, considered a behavior of the object "circle"?
David Newton
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Joined: Sep 29, 2008
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What would you consider it a behavior of? A 2d shape, of which circle is one. *Calculating* area is a behavior.
You're over-thinking this--I'd encourage you not to get hung up on semantics whenever possible. And it's almost always possible.
Campbell Ritchie
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Joined: Oct 13, 2005
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Welcome to the Ranch
Circles are easy to work out the fields of; in 2-D they can never have more than 3 fields. Radius, x-position and y-position (of the centre). The area is derivative of the radius and is therefore calculated from it.
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