ruby_eq_016.rb

denis       = Employee.new(570, "Denis Defreyne")
also_denis  = Employee.new(570, "Denis")
denis_v     = Employee.new(992, "Denis Villeneuve")
new_denis_1 = Employee.new(nil, "Denis 1")
new_denis_2 = Employee.new(nil, "Denis 2")

denis == denis               # => true
denis == also_denis          # => true
denis == "cucumber"          # => false
denis == denis_v             # => false
denis == new_denis_1         # => false
new_denis_1 == new_denis_1   # => true
new_denis_1 == new_denis_2   # => false