#!/usr/bin/env ruby
class Names
def initialize( given, family, nick, pet )
@given = given
@family = family
@nick = nick
@pet = pet
end
# these methods are public by default
def given
@given
end
def family
@family
end
# all following methods private, until changed
private
def nick
@nick
end
# all following methods protected, until changed
protected
def pet
@pet
end
end
class Address < Names
attr_accessor :street, :city, :state, :country
end
a = Address.new("a","b","c","d")
puts a.respond_to?(:given_name)