Dependency Injection · interview question
What role does the Spring IoC container play in dependency injection?
Multiple choiceMediumchapter-9-curatedpremiumdependency-injectionconstructor-vs-field-injection
Answer and explanation
Correct answer
A. It manages object creation and injection
Why
The Spring IoC (Inversion of Control) container is responsible for managing the lifecycle of beans, including their creation and the injection of dependencies, allowing developers to focus on business logic rather than object instantiation.
Test yourself on Dependency Injection
A free test with instant, explained results. No account needed.
More Dependency Injection questions
- In Spring Boot, how can you ensure that a bean is eagerly initialized at startup?
- What advantage does constructor injection offer over field injection concerning encapsulation?
- In Spring Boot, how does lazy initialization of beans affect constructor injection?
- How does Spring Boot handle dependency injection when multiple beans match the type being injected?
- Which scope of a bean in Spring Boot is the default in Java?
- Why do teams use the @Autowired annotation in Spring Boot in production code?