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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一連の食材
ニューヨークで使われる食材とシカゴで使われ
る食材は異なります。オブジェクト町ピザの人気
を考えると、近い将来カリフォルニアやその次は
オースティンあたりにも、地域ごとに別の一連の
食材を出荷しなければいけなくなるでしょう。
これを実現するには、一連の食材の扱い方を考
えなければいけません。
ReggianoCheese
ThinCrustDough
FreshClams
FreshClams
MarinaraSauce
BruschettaSauce
GoatCheese
VeryThinCrustDough
カリフォルニア
FrozenClams
PlumTomatoSauce
MozzarellaCheese
ThickCrustDough
ニューヨーク
シカゴ
オブジェクト町のピザはすべて同じコンポーネント
から作られますが、地域によってコンポーネントの
実装が異なります。
全体として、
3
つの地域が一連の食材を構成し、各地域が食材一式
を実装します。
一連の食材は、
1
種類の生地、
1
種類のソース、
1
種類のチーズ、
1
つのシーフードトッピング
（および、野菜やスパイスなどここに表示して
いないその他いくつかの食材）で構成されます。
4
章
Factory
パターン
you are here
145
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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.