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Which annotation enables automatic scanning of components in Spring Boot?

easy📝 Syntax Q3 of 15
Spring Boot - Spring Annotations
Which annotation enables automatic scanning of components in Spring Boot?
A@ComponentScan
B@EnableAutoConfiguration
C@SpringBootApplication
D@Bean
Step-by-Step Solution
Solution:
  1. Step 1: Understand component scanning

    @ComponentScan tells Spring where to look for components.
  2. Step 2: Relation to @SpringBootApplication

    @SpringBootApplication includes @ComponentScan, but @ComponentScan is the specific annotation for scanning.
  3. Final Answer:

    @ComponentScan -> Option A
  4. Quick Check:

    @ComponentScan triggers component scanning [OK]
Quick Trick: @ComponentScan triggers scanning [OK]
Common Mistakes:
  • Confusing @EnableAutoConfiguration with scanning
  • Assuming @Bean triggers scanning
  • Thinking @SpringBootApplication alone is scanning

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