Библиотека собеса по Java | вопросы с собеседований

❓ Что такое Spring IoC контейнер?

Spring IoC (Inversion of Control) контейнер — это центральный механизм в Spring, который управляет созданием, конфигурацией и жизненным циклом бинов.

🔹 Какие контейнеры бывают

1️⃣ BeanFactory – легковесный контейнер, подходит для простых сценариев.
2️⃣ ApplicationContext – расширенный контейнер с доп. возможностями (событийная модель, интеграция с AOP и т. д.).

❓ Зачем нужен

— Ослабляет связность кода (dependency injection).
— Упрощает управление зависимостями.
— Позволяет легко заменять реализации компонентов.
— Облегчает тестирование за счет моков.

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Create: 2025-02-09
Last Update: 2025-06-20 20:02:02

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