class MyClass
  OWN_VALUE = 1111
end

MyClass::OWN_VALUE

UnkownClass

UnknownClass = Class.new

UnknownClass

unknown_instance = UnknownClass.new

UnknownClass.name

p Class.new.name

p NeverKnownClass = Class.new

p NeverKnownClass.name

hoge = Class.new

p hoge.name

KnownClass = hoge

hoge.name

p KnownClass.ancestors

class MyClass
  def initialize
    puts 'fooooooo!!!'
  end
end

obj = MyClass.new

obj

class MyClass
  def hoge
    puts 'hoge called'
  end
  
  def fuga
    hoge
  end
end

obj = MyClass.new
obj.hoge

obj.fuga

class Brownie
  def initialize
    @baked = false
  end
  
  def bake!
    @baked = true
  end
  
  def baked?
    @baked
  end
end

b = Brownie.new

b.baked?

b.bake!

b.baked?