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.
this is a new chapter
237
この章では、丸い穴に四角い釘を打つような難題に挑戦したいと思います。不可能だと思
うかもしれませんが、デザインパターンを使えば不可能ではありません。
Decorator
パ
ターンを覚えていますか？
オブジェクトをラップして、オブジェクトに新しい責務を持
たせました。今度は、別の目的でオブジェクトをラップします。その目的とは、オブジェ
クトのインタフェースを実際とは異なるもののように見せることです。なぜ、そのような
ことをするのでしょうか？
あるインタフェースを想定した設計を、別のインタフェース
を実装したクラスに適合させることができるからです。それだけではありません。オブ
ジェクトをラップしてそのインタフェースを簡潔にする別のパターンも紹介します。
サッカーの試合では
ないってこと？
読者は、私たちが写真スタジオに
座っているのではなく競馬を観戦
中という印象を持つかしら？
それが僕たちの仕事
のすごいところだよ。実
際とは違うように見せら
れるんだ！
このコートを着れば、
僕は 別 人さ！
7
章
Adapter
パターンと
Facade
パターン
適合可能にする
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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.