Библиотека собеса по Java | вопросы с собеседований

❓ Какие проблемы решает enum?

1️⃣ Безопасность и читаемость кода — заменяет строковые или числовые константы, делая код понятнее и исключая ошибки из-за опечаток.
2️⃣ Типобезопасность — исключает возможность присвоения некорректного значения.
3️⃣ Группировка связанных констант — позволяет логически объединять значения, относящиеся к одной категории.
4️⃣ Дополнительные возможности — может содержать методы и поля, расширяя функциональность.
5️⃣ Перформанс и память — использует внутреннюю кешированную таблицу значений, что ускоряет сравнение и доступ к значениям.

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Create: 2025-02-27
Last Update: 2025-06-25 10:13:32

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