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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052
ソフトウェア設計の
抽象レベル
2.2
四つの抽象レベル
ソフトウェアの設計にあたっては抽象レベルを意識する必要がありま
す。本書では、図2.2.1に示す四つの抽象レベルに分けます。最下段に
あるクラス設計が最も詳細なレベルの設計であり、上に行くほど抽象度
が上がります。
⹅
図2.2.1
設計の抽象レベル
アーキテクチャ設計
モジュール設計
コンポーネント設計
クラス設計
抽象度
クラス設計
クラス設計はプログラムの最小単位となる構成要素の設計です（オブ
ジェクト指向プログラミング言語の普及度が高いことからここではクラ
ス設計としましたが、もし関数型プログラミング言語を使う場合は関数
がそれに該当すると考えてください）。
ソースコードとしては1クラスを1ファイルに記述することが多く、
概ねファイル単位の粒度となります。
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