#! /usr/bin/ruby
class Employee

        attr_reader :name, :salary

        def name=(name)
                if name == ""
                        raise "Name can't be blank!"
                end
                @name = name
        end

        def salary=(salary)
                if salary < 0
                        raise "A salary of #{salary} isn't valid!"
                end
                @salary = salary
        end

        def initialize(name = "Anonymous", salary = 0.0)
                @name = name
                @salary = salary
        end

        def print_pay_stub
                puts "Name: #{@name}"
                pay_for_period = (@salary / 365) * 14
                formatted_pay = format("%.2f", pay_for_period)
                puts "Pay This Period: $#{formatted_pay}"
        end

end

employee = Employee.new("Jane Doe", 50000).print_pay_stub
Employee.new("Jane Doe").print_pay_stub
employee.print_pay_stub
Employee.new.print_pay_stub



./changemore_payroll.rb
Name: Jane Doe
Pay This Period: $1904.00
Name: Jane Doe
Pay This Period: $0.00
./changemore_payroll.rb:36:in `<main>': undefined method `print_pay_stub' for nil:NilClass (NoMethodError)