How do I get the parent's class name in Ruby -

How do I get the parent's class name in Ruby -

let assume have classes a , b b inherits a. how print parent class name in b

class end class b < end

some things have tried

>> b.new.class #=> b #which right >> b.new.parent #=> undefined method `parent` >> b.parent #=> object >> b.parent.class #=> class

thanks :)

class end class b < end b.superclass # => b.superclass.name # => "a"

ruby