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[Ruby] class 정리coding for food 2022. 9. 2. 10:57
object은 데이터 타입의 structure 이다.
class Dog # has a tail # has a name # has a breed # can bark # can drink water from bowl end
fido = Dog.new #=> fido는 Dog class의 instance(사례)이다.
- Class: 커스텀한 데이터 structure를 위한 템플랫이다.
- Object: An instance of a class. This would be Fido himself. Fido is a dog. Or, more specifically, fido is a Dog.
"fire extinguisher".class #=> String
“fire extinguisher”는 instance of the String class이다.