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.
オフィスの隣の席でふと耳にしたこと
リック
ブロードキャストクラスを作成したよ。このクラス
はこのクラスをリスンするすべてのオブジェクトを管理
し、新しいデータが来ると各リスナにメッセージを送信す
るんだ。素晴らしいのは、リスナがいつでもブロードキャ
ストに参加できて、リスナ自体を削除することもできる
ことなんだ。これは本当に動的で疎結合だよ！
そうよ。パターンで会話すれ
ば、他の開発者があなたの言っている
設計を即座に正確に理解できるわ。ただ、
パターン熱にかかってはだめよ。
Hello
World
にパターンを使ってしまったらパ
ターン熱にかかったと言えるわね。
リック、なぜ単に
Observer パターンを使っ
ていると言わないんだい？
OO
設計とレストランでの会話以外で使う他
の共有ボキャブラリを思いつきますか？（ヒ
ント：自動車整備士、大工、グルメシェフ、
航空管制官などはどうでしょう）専門用語で
どのような特性が伝わるでしょうか？
パターン名から
OO
設計の特徴が伝わるで
しょうか？
「
Strategy
パターン」という名前
ではどのような特性を思いつくでしょうか？
1
章 デザインパターン入門
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27
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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.