Question: How would you declare and use a constructor in Ruby?Answer: Constructors are declared via the initialize method and get called when you call on a new object to be created.Using the code snippet below, calling Order.new acts as a constructor for an object of the class Order. class Order def initialize(customer, meal, beverage) @customer = customer @meal = meal @beverage = beverage end end |
Salvar para revisao
Adicione este item aos favoritos, marque-o como dificil ou coloque-o em um conjunto de revisao.
Faca login para salvar favoritos, perguntas dificeis e conjuntos de revisao.
Isto e util? Sim Nao
Mais uteis segundo os usuarios:
- What is Ruby On Rails?
- Why Ruby on Rails?
- Explain how (almost) everything is an object in Ruby.
- What are Gems and which are some of your favorites?
- How would you declare and use a constructor in Ruby?