Ruby Instance Method and Class Method

[byhbt]

Problem:

class TwoFer
  def two_fer
    puts "1"
  end
end

When I tried to call TwoFer.two_fer then it will show the error:

Error:
TwoFerTest#test_no_name_given:
NoMethodError: undefined method `two_fer' for TwoFer:Class
    two_fer_test.rb:8:in `test_no_name_given'

Solution:

Lesson:

• Classes and instances (and class methods and instance methods)