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Вопрос с собеседования

Почему строка популярна в качестве ключа в HashMap?

Ответ: Поскольку строки неизменяемы, их хэш код вычисляется и кэшируется в момент создания, не требуя повторного пересчета при дальнейшем использовании. Поэтому в качестве ключа HashMap они будут обрабатываться быстрее.

tags: #собеседование

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Вопрос с собеседования

Почему строка популярна в качестве ключа в HashMap?

Ответ: Поскольку строки неизменяемы, их хэш код вычисляется и кэшируется в момент создания, не требуя повторного пересчета при дальнейшем использовании. Поэтому в качестве ключа HashMap они будут обрабатываться быстрее.

tags: #собеседование

📱 Java Developer | Чат

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