July 2024
Beginner to intermediate
272 pages
5h 40m
Japanese
Content preview from アーキテクトの教科書 価値を生むソフトウェアのアーキテクチャ構築
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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.
074
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ほとんどの場合に価値があるものである
●
学ぶのが容易である。教えるのが容易である
●
実施がシンプルである。考えなくてもやれるくらいシンプルである
こと
同書で紹介されるプラクティスの中から、CLEANコードについて取
り上げたいと思います。
CLEANコード
それぞれの頭文字を取るとCLEANとなる、五つのコード品質
※8
を
満たすようなコードを目指し、ソフトウェアの内部品質を高めようとい
うのがCLEANコードのプラクティスです。
●
Cohesive（凝集性）
●
Loosely Coupled（疎結合）
●
Encapsulated（カプセル化）
●
Assertive（断定的）
●
Nonredundant（非冗長）
ソフトウェアにおける凝集性とは、コンポーネントやモジュールに含
まれる構成要素の関連度合いやまとまり具合を指します。必要なものが
ぎゅっとまとまっていて、余計なものは含んでいないというイメージで
す。凝集性が高いコードは、密接に関連し合った構成要素の集まりが単
一の責任を果たします。つまり、SOLIDのSRPと関連性の高いコード
品質です。
疎結合とは間接的な依存を指し、オブジェクト指向設計では抽象クラ
スやインターフェースを使って実現します。SOLIDのOCPは抽象に
よって拡張性をもたらす原則でした。
カプセル化とは、クライアントが関心を持たない詳細を隠すことで
す。クライアントが求めること（What）とその実現方法（How）を切
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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.