May 2024
Intermediate to advanced
752 pages
24h
Japanese
Content preview from Spring徹底入門 第2版 Spring FrameworkによるJavaアプリケーション開発
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656
14
チュートリアル
別のパッケージ構成も考えられます。たとえば、以下のように
domain
パッケージの下に機能ごとの
パッケージを作成し、機能パッケージの中にその機能で使用する
Model
、
Repository
、
Service
を
配置する構成でもよいでしょう（
図 14.15）。
図
14.15
別のパッケージ構成
この案に比べて、本文で示した案のメリットは
Service
パッケージ、
Repository
パッケージ単位で
スキャン対象を絞れるので最適化の余地がある点です。
PostgreSQL のセットアップ
PostgreSQL
をインストールし、本 チュートリアル 用のユ ー ザ ーとデータベースを作成します（ 表 14.4）。
表
14.4
PostgreSQL
のデータベース設定値
設定項目名 設定値
ユーザー名 mrs
パスワード mrs
データベース名 mrs
■
PostgreSQL
のダウンロード
PostgreSQL
の ダ ウ ン ロ ー ド サ イト（
https://www.enterprisedb.com/downloads/postgres-postgresql-downl
oads
）からダウンロードします。執筆時のバージョンは、
13.10
です。
■
PostgreSQL
のインストール
ダウンロードした
exe
を実行します。表示されるセットアップウィザードに従ってセットアップを進めます。
セットアップ ウィザ ードの「
Advanced Option
」 で は 、「
Locale
」で「
C
」を 指 定 します（
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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.