이 레슨은 당분간 영어로 제공돼요.
Everything is an object
In Ruby, even the number 5 has methods you can call. Let's store values in variables, build strings and meet symbols, Ruby's lightweight names.
이 레슨은 당분간 영어로 제공돼요.
In Ruby, even the number 5 has methods you can call. Let's store values in variables, build strings and meet symbols, Ruby's lightweight names.