Getter and Setter

  • A Ruby object has its methods public by default, but its data is private.
  • So if you need to access the data, for either reading or writing, you need to make it public somehow.
class Person
def initialize(name:)
@name = name
end
# this is getter method equivalent in Java.
# called attr_reader in ruby
def name
@name
end
end
john = Person.new(name: "John")
puts john.name # => John

equivalent

class Person
attr_reader :name
def initialize(name:)
@name = name
end
end
john = Person.new(name: "John")
puts john.name

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