Spring Boot Interview Questions

#What do you mean by Dependency Injection?

#What parent dependency you need to start a spring boot project

<parent>
       <groupId>org.springframework.boot</groupId>
       <artifactId>spring-boot-starter-parent</artifactId>
       <version>{spring-boot-version}</version>
       <relativePath /> <!-- lookup parent from repository -->
</parent>
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#How to enable profile for starting a spring boot project