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.
変更には多くの原因があります。自分のアプリケーションでコードを変更しなければいけなくなった理由をいくつか挙げてみ
ましょう（手始めに、私たち自身の例をいくつか挙げます）。
35
ページの答えを見て答え合わせをしてから先に進んでください。
顧客やユーザが別の機能や新しい機能を望んだ。
自分の会社が別のデータベースベンダーを使うことに決め、さらに異なるデータフォーマットを使用する別のデータプロバイ
ダからデータを購入することも決めた。
ソフトウェア開発において常に発生する唯一のものとは一体何でしょうか？
働いている場所、構築しているもの、使用しているプログラミング言語に依存せず、常に不
変の唯一の真実は何でしょうか？
ソフトウェア開発における
1
つの変わらぬもの
変更
（答えを見るには鏡を使ってください）
アプリケーションをいくら適切に設計しても、時間の経過と
ともにアプリケーションは成長や変化をするものです。成長や
変化がなければ、アプリケーションは死んでしまうでしょう。
8
1
章
変更は常に発生する
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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.