Changes for page Code Example: Data Structure Style vs. Object Style

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• Page properties (1 modified, 0 added, 0 removed)

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...	...	@@ -7,15 +7,17 @@
7	7
8	8	### Data Structure Style
9	9
10		- struct Square {
	10	+ interface GeometricObject {}
	11	+
	12	+ class Square implements GeometricObject {
11	11	length float
12	12	}
13	13
14		- struct Circle {
	16	+ class Circle implements GeometricObject {
15	15	radius float
16	16	}
17	17
18		- function Circumference(g Object) float {
	20	+ function Circumference(g GeometricObject) float {
19	19	switch type(g):
20	20	case Square:
21	21	return 4 * g.length
...	...	@@ -23,8 +23,8 @@
23	23	return 2 * PI * g.radius
24	24	}
25	25
26		-1. Adding a function Area() with the same anatomy as Circumference() is easy, since it only requires adding new code.
27		-1. Adding a new datatype, Rectangle, is more difficult because it requires touching existing code, namely any functions like Circumference() or Area() that need to be enabled handle this datatype.
	28	+1. Adding an Area() function with a very similar anatomy to Circumference() is easy because it only requires adding new code.
	29	+1. Adding a new datatype, Rectangle, is harder because it requires touching existing code, namely any functions like Circumference() or Area() that need to be enabled handle this datatype.
28	28
29	29	####
30	30
...	...	@@ -57,3 +57,12 @@
57	57	return 2 * PI * this.radius
58	58	}
59	59	}
	62	+
	63	+1. Adding a function Area() to GeometricObject Interface is hard since all classes implementing
	64	+1. Adding a new datatype, Rectangle, is more difficult because it requires touching existing code, namely any functions like Circumference() or Area() that need to be enabled handle this datatype.
	65	+
	66	+### Conclusion
	67	+
	68	+asd
	69	+
	70	+