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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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.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.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.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.
2
1
章
それは簡単な
SimUDuck
アプリから始まった
ジョーは、人気の高いカモ池シミュレーションゲーム
SimUDuck
の開発会社に勤めています。
SimUDuck
は、泳いだり
鳴いたりするさまざまな種類のカモを表示できます。このシステ
ムの最初の設計者は標準的な
OO
技術を使用し、すべてのカモの
型が継承する
1
つの
Duck
スーパークラスを作成しました。
Duck
quack()
swim()
display
()
//
カモに関する他のメソッド
display() {
//
マガモ（
mallard
）
//
の表示
}
MallardDuck
display() {
//
アメリカホシハジロ
//
（
redhead
）の表示
}
RedheadDuck
多くの他の種類のカモも
Duck
クラスを継承します。
それぞれのカモサブ
タイプは、画面上で
の表示方法を示す
display()
の振る舞
いを独自に実装しま
す。
すべてのカモが鳴き声を発した
り泳いだりするため、スーパー
クラスが実装コードを備えます。
昨年、ライバル会社との競争が激しくなってきました。
1
週間
にわたる（ゴルフをしながらの）オフサイトブレインストーミン
グを経て、経営幹部は大きな刷新が必要な時期だという考えに至
りました。経営幹部は来週マウイ島で行われる次の株主総会で発
表するために、インパクトのある成果を必要としています。
すべてのカモサブタイプ
は表示方法が異なるので、
display()
メソッドは抽象
メソッドです。
SimUDuck
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and much more.
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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.