❓ Где лучше хранить пароль: в String или в char[]?Лучше использовать char[].У String содержимое неизменяемо и хранится в пуле строк

Библиотека собеса по Java | вопросы с собеседований

❓ Где лучше хранить пароль: в String или в char[]?

Лучше использовать char[].
У String содержимое неизменяемо и хранится в пуле строк, что делает её уязвимой: пароль может долго находиться в памяти, и его нельзя явно очистить.
В случае с char[] можно перезаписать содержимое сразу после использования (например, обнулить), снижая риск компрометации данных при дампе памяти или атаке через heap dump.

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Библиотека собеса по Java

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Create: 2025-05-20
Last Update: 2025-07-09 00:41:52

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