Spring vs Spring Boot — Interview Answer — Spring Technical Interview Questions & Answers

Model answer on configuration overhead.

Spring vs Spring Boot — Interview Answer

  • Model answer: Spring is the core framework; Boot is an opinionated setup layer on Spring.
  • Plain Spring needs more manual configuration.
  • Boot uses auto-configuration and starters to reduce that work.
  • We still use Spring features (DI, AOP, MVC) inside Boot.
  • Never say Boot replaced Spring.

Technical Interview Tip: Boot builds on Spring; reduces configuration overhead.

Code Examples for Spring vs Spring Boot — Interview Answer

Spring vs Spring Boot — Interview Answer — working example

// Topic: Spring vs Spring Boot — Interview Answer
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
class TopicController {
  @GetMapping("/api/topic")
  String topic() {
    return "Spring Boot: Spring vs Spring Boot — Interview Answer";
  }
}

Spring vs Spring Boot — Interview Answer: GET /api/topic returns this title string.

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