Practicing with classes methods

gistfile1.txt

class Employee
  attr_accessor :first_name, :last_name, :salary, :age, :months_of_service
  
  def initialize(first_name , last_name, salary, age, months_of_service)
    @first_name = first_name
    @last_name = last_name
    @salary = salary
    @age = age
    @months_of_service = months_of_service
  end
  
  
  #You can edit the salary & months_of_service
  def salary=( s )
    @salary = s
  end
  
  def months_of_service=( ms )
    @months_of_service = ms
  end
    
  #first_name & last_name, age should NOT be editable
  private
  def first_name
    first_name
  end
  
  def last_name
    last_name
  end
  
  def age
    age
  end
  
end

e1 = Employee.new("Ernesto" , "Ponce", "10000 dlls", 28, 48)

puts e1.salary
puts e1.months_of_service
e1.salary=("25000 dlls")
puts e1.months_of_service=(50)
puts e1.salary
puts e1.months_of_service
#puts e1.first_name = "Ernie" should throw an error