[Solved] Which of the following is the correct syntax for field injection in a Spring Boot component? — Ans: @Autowired private MyService myService; | Spring Boot

Spring Boot - Inversion of Control and Dependency Injection

Which of the following is the correct syntax for field injection in a Spring Boot component?

A@Autowired private MyService myService;

Bprivate MyService myService = new MyService();

C@Inject public MyService myService;

D@Service private MyService myService;

Step-by-Step Solution

Solution:

Step 1: Identify correct annotation for field injection
Spring Boot uses @Autowired to inject dependencies on fields.
Step 2: Check syntax correctness
The field must be private and annotated with @Autowired for field injection.
Final Answer:
@Autowired private MyService myService; -> Option A
Quick Check:
Field injection syntax = A [OK]

Quick Trick: Use @Autowired on private fields for field injection [OK]

Common Mistakes:

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Which of the following is the correct syntax for field injection in a Spring Boot component?