June 2022
Beginner to intermediate
672 pages
17h 23m
Japanese
Content preview from Head Firstデザインパターン 第2版 ―頭とからだで覚えるデザインパターンの基本
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createPizza()
ChicagoPizzaStore
createPizza()
NYPizzaStore
createPizza()
PizzaStore
NYStyleVeggiePizza
NYStyleClamPizza
NYStylePepperoniPizza
NYStyleCheesePizza
Pizza
ChicagoStyleVeggiePizza
ChicagoStyleClamPizza
ChicagoStylePepperoniPizza
ChicagoStyleCheesePizza
Factory Method
と
Abstract Factory
の比較
ニューヨーク店
地域ごとに異なる製品を作成できるように
したいため、
PizzaStore
はファクトリメ
ソッドとして実装します。ファクトリメソッ
ドを使用して、各地域はその地域に適した
ピザの作成方法を知っている独自の具象
ファクトリを取得します。
サブクラスは、どの具象クラスをイ
ンスタンス化すべきかを決定します。
ファクトリメソッド
これは
PizzaStore
の製品で
す。クライアントはこの抽象
型のみに依存します。
サブクラスを、ファクト
リメソッドでインスタン
ス化します。
ニューヨーク
シカゴ
ファクトリメソッド
NYPizzaStore
サブクラスは、
ニューヨークスタイルのピザだけ
をインスタンス化します。
ChicagoPizzaStore
サブクラ
スは、シカゴスタイルのピザだ
けをインスタンス化します。
シカゴ店
createPizza()
メソッドはピザの種類でパラメータ化されて ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.