質問編集履歴
3
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@@ -39,7 +39,6 @@
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attr_accessor :artist, :year, :songs
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def initialize(name, price)
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super(name: name, price: price)
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self.artist = artist
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self.year = year
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self.songs = songs
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@@ -38,7 +38,7 @@
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# 編集
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attr_accessor :artist, :year, :songs
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def initialize(name
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def initialize(name, price)
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super(name: name, price: price)
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self.artist = artist
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self.year = year
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1
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@@ -18,11 +18,9 @@
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class Book < Product
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# 編集
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require "./product"
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attr_accessor :author, :publisher, :page_count
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def initialize(name:, price:, author:, publisher:, page_count: )
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def initialize(name, price)
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self.author = author
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self.publisher = publisher
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self.page_count = page_count
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@@ -38,10 +36,9 @@
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class CD < Product
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# 編集
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require "./product"
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attr_accessor :artist, :year, :songs
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def initialize(name:, price
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def initialize(name:, price)
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super(name: name, price: price)
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self.artist = artist
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self.year = year
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