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An enumeration can be mutated.
Fields should be used to hold the state of the objects. They are not meant to hold temporary data that is not used again after a method completes. In that case, we talk about improper fields, that should rather be replaced by variables local to the methods. Improper fields complicate the code since they make it messy. They cost memory, since they require space for themselves; moreover, if they have reference type, they prevent the garbage collection of the memory reachable from them.
| クラス名 | Mutable Enumeration (Java) | |||
|---|---|---|---|---|
| 日本語クラス名 | Mutable Enumeration (Java) | |||
| クラス分類 | 信頼性 (reliability) | |||
| ニーモニック | JAVA.TYPE.ME | |||
| カテゴリー |
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| 対応言語 | Java で利用可能です。 |
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| 有効/無効設定 | このワーニングクラスのチェックはデフォルトで有効になっています。チェックを無効にするにはプロジェクト設定ファイル
（configuration file）に以下の WARNING_FILTER ルールを追加してください。
WARNING_FILTER += discard class="Mutable Enumeration (Java)" |
Use variables local to the methods and the constructors instead of fields.
設定ファイルの以下のパラメータがこのワーニングクラスのチェックに影響します。
English (en)