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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...	...	@@ -1,1 +1,49 @@
1		-```
	1	+### Data Structure Style
	2	+
	3	+ type Square struct {
	4	+ length float
	5	+ }
	6	+
	7	+ type Circle struct {
	8	+ radius float
	9	+ }
	10	+
	11	+ func Circumference(g Object) float {
	12	+ switch type(g):
	13	+ case Square:
	14	+ return 4 * g.length
	15	+ case Circle:
	16	+ return 2 * PI * g.radius
	17	+ }
	18	+
	19	+*
	20	+
	21	+#### Object-Oriented Style
	22	+
	23	+ interface GeometricObject {
	24	+ Circumference() float
	25	+ }
	26	+
	27	+ class Square implements GeometricObject {
	28	+ length float
	29	+
	30	+ constructor(length float) {
	31	+ this.length = length
	32	+ }
	33	+
	34	+ func Circumference() float {
	35	+ return 4 * this.length
	36	+ }
	37	+ }
	38	+
	39	+ class Circle implements GeometricObject {
	40	+ radius float
	41	+
	42	+ constructor(radius float) {
	43	+ this.radius = radius
	44	+ }
	45	+
	46	+ func Circumference() float {
	47	+ return 2 * PI * this.radius
	48	+ }
	49	+ }