Rubyの課題を作成しました - #2
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superやputs内に変数を使ったりと全体的に良いと思いました！ |
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koooosuke
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Mar 8, 2019
| class Dog < Animal | ||
| def initialize(name) | ||
| super | ||
| @voice = "ワンワン" |
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細かいですが、課題2-5の出力が相違しているのでご確認下さい。
$ ruby exercise02-5.rb
わんこ: ワンワン！
にゃんこ: ニャー！
| def self.count_info | ||
| "Carクラスのクラス変数@@countは#{@@count}です。" | ||
| end | ||
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| end No newline at end of file | ||
| end | ||
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| class Dog < Animal |
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class Dog < Animal
ここのインデントはしなくてもいいかなと個人的には思います！
| end | ||
| end | ||
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| class Cat < Animal |
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exercise02-1
@speedが30以上50未満時アラートを出力、50以上のときはアラート後、減速する仕様です。
exercise02-2
Carクラスを継承したTrackCarクラスでload_weightというアクセサメソッド(ゲッター)を追加しインスタンス生成時はデフォルトでload_weightが500になる仕様です。
exercise02-3
Carクラスにpassengersというアクセサメソッド(ゲッター/セッター)を追加し初期値を1として、passengersが1ずつ増えていき最大4人でpassengersは増えない仕様です。
exercise02-4
Carクラスにcount_infoというクラスメソッドを追加しクラス変数@@countが表示される仕様です。
exercise02-5
Animalクラスを継承したDogクラス、Catクラスでそれぞれのクラスで初期値として設定されている@voiceを書き換えました。