24 lines
397 B
Ruby
24 lines
397 B
Ruby
class Point
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attr_accessor :x,:y
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def initialize(x=0, y=0)
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self.x = x
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self.y = y
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end
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def to_s
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"Point at #{x},#{y}"
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end
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end
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# When defining Circle class as the sub-class of the Point class:
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class Circle < Point
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attr_accessor :r
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def initialize(x=0, y=0, r=0)
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self.x = x
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self.y = y
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self.r = r
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end
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def to_s
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"Circle at #{x},#{y} with radius #{r}"
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end
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end
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