Mega Code Archive
Controlling Access by Making Methods Private
<![CDATA[
class MyNumber
def initialize
@secret = rand(20)
end
def hint
puts "The number is #{"not " if secret <= 10}greater than 10."
end
private
def secret
@secret
end
end
s = MyNumber.new
s.secret
s.hint
class OurNumber < MyNumber
def hint
lower = secret-rand(10)-1
upper = secret+rand(10)+1
"The number is somewhere between #{lower} and #{upper}."
end
end
ls = OurNumber.new
ls.hint
# => "The number is somewhere between -3 and 16."
ls.hint
# => "The number is somewhere between -1 and 15."
ls.hint
# => "The number is somewhere between -2 and 16."
]]>