what is the error of "uninitialized constant Object::Person (NameError)"?

[Wiinie]

Hi all,

I am new bird using Ruby, I just occur the problem "uninitialized constant Object::Person (NameError)"
can any experts help me?

my code is

class Person
  def initialize(fname, lname)
    @fname = fname
    @lname = lname
  end
 
  def to_s
    "Person: #@fname #@lname"
  end
end
 
person = Person.new("Yen", "Ta")
print person
 
 

class Employee < Person
  def initialize(fname, lname, position)
    super(fname,lname)
    @position = position
  end
  def to_s
     super + ", #@position"
  end
end
 
employee = Employee.new("Augustus","Bondi","CFO")
print employee
 

[improvcornartist]

The 'Employee' file needs to require the 'Person' file. So, for example, at the top of the 'Employee' file, add

require 'path/to/Person'