How to get class methods?

Question

Ruby Module has a method instance_methods that can return a list of methods of that class. But how to retrieve class methods list of a class?

Answer 1

You can pass the false parameter to Object#methods.

class Foo
  def self.bar
  end
end

Foo.methods(false) #=> [:bar]

Answer 2

Go to rails console with the command:

rails c

type:

 Class.methods 

and you will get them all in a list.

If you want to get a specific class' method, then type:

Class_name.methods