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What is not an object in Ruby?
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2
What is the output of the following code?
class Person
attr_accessor :name
end
person = Person.new
person.name = 'John'
puts person.name
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Call a method only if the caller is not null.,Does the same thing as `@my_object.try!(:my_method)`.0
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The `super` keyword calls the superclass method with the same parameters. If the superclass method cannot raise exceptions, `super` will not raise them either.