このレッスンは、現在英語のみです。
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.
このレッスンは、現在英語のみです。
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.