Support for Java 21 #242
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Support for Java 21 #242
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yknz
commented
Aug 7, 2025
yknz
commented
- シールクラス(Sealed Classes)
- JavaDocのコードスニペット({@snippet})
- レコードパターン
- 順序を保持するコレクション(Sequenced Collections)
- switch文・式でのパターンマッチング
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Co-authored-by: ota-meshi <[email protected]>
- @snippetのサンプルコードを追加 - シールクラスの記述をブラッシュアップ - レコードパターンの記載を校正 - switchのパターンマッチングのコードサンプルでNullPointerExceptionが出てしまう場合を考慮 - switch文のコード例でインデント不正を修正
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Aug 13, 2025
| @@ -1002,6 +1026,8 @@ head: | |||
| (o instanceof Collection && ((Collection)o).isEmpty()); | |||
| ``` | |||
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| - パターンマッチングについては[switch文・式で使用する](#switchでのパターンマッチング)ことも可能。 | |||
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この文が追加されていますが、ここはインスタンスについてのセクションなので不要だと思います。
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| ## シールクラス | ||
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| - 明確な方針で、利用する・利用しないを統一すること |
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シールクラスの利用については明確な方針で統一すること
のほうが文章としてわかりやすいと思います。
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