RestController vs Service vs Component vs Repository : Java Spring Boot Interview Question 3

Опубликовано: 23 Март 2026
на канале: The Curious Coder

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Master a key Java Spring Boot Interview topic: Controller vs Component vs Service vs Repository. We explain the diff between them in simple terms, using real java coding scenarios. A must-know spring boot question for every developer.

00:00 : Introduction
00:30 : Code Walkthrough
03:18 : Similarity between @RestController, @Component, @Service and @Repository
06:13 : @RestController vs @Component
09:05 : @Service vs @Component
12:21 : @Repository vs @Component
18:15 : Tip of The Day

Prerequisite Videos:
Spring Boot and Java Setup
   • Spring Boot and Java Setup

Project Object Model File | Understanding pom.xml
   • Project Object Model File | Understanding ...

How to create an API ?
   • How to create an API ?

How to Connect Spring Boot to a Database ?
   • How to Connect Spring Boot to a Database ?

Related Videos:
Difference between Rest Controller and Controller
   • Difference between Rest Controller and Con...

To access the code , clone below mentioned repository and checkout to branch : controller-vs-service-vs-repository-vs-component

Git Link : https://github.com/TheCuriousCoder-sg...

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#interview #springboot #java