Spring Boot Annotations Full Course | One-Stop Solution for Interviews

Veröffentlicht am: 21 September 2025
auf dem Kanal: The Curious Coder

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Java Spring Boot Interview Q28 !!

In this video, we cover all important Spring Boot annotations with clear explanations and examples. Whether you are a beginner learning Spring Boot or preparing for Java Spring Boot interviews, this is your one-stop solution – after this, you won’t need to watch any other related video.

We explain:

1) @Bean
2) @Configuration annotation
3) @Component
4) @Restcontroller
5) @Service annotation
6) @Repository
8) @Autowired
9) @GetMapping
10) @Qualifier
11) @Primary
12) @SpringBootApplication
13) @ComponentScan
14) @EnableAutoConfiguration
15) @SpringBootConfiguration
16) @PostMapping
17) @PutMapping
18) @DeleteMapping Spring Boot
19) @RequestBody
20) @PathVariable
21) @Entity
22) @Table annotation
23) @Id
24) @GeneratedValue
25) @Column
26) @RestControllerAdvice
27) @ExceptionHandler
28) @ResponseStatus
29) @Transactional
30) @NoArgsConstructor
31) @AllArgsConstructor
32) @Getter
33) @Setter
34) @EqualsAndHashCode
35) @ToString
36) @Data
37) @Builder
38) @Value
39) @ConfigurationProperties

Beyond annotations, we also discuss annotation-based configuration, the difference between @Component vs @Service in real-world use, and how autowired annotation works internally with examples. You’ll also see how @RequestBody and @ResponseBody in Spring differ from @RequestParam and @PathVariable, especially in Spring Boot REST APIs. We cover practical cases like exception handling in Spring Boot using @ExceptionHandler with @ResponseStatus, and explain the internal working of @SpringBootApplication along with the use of enable auto configuration in Spring Boot. With these insights, you’ll gain not just theory but also real Spring Boot interview preparation skills.

👉 By the end of this video, you’ll fully understand Spring Boot annotations, their internal working, and how they are used in real-world projects & interview scenarios. Perfect for Java developers, Spring Boot beginners, and interview preparation.

RestController vs Service vs Component vs Repository
   • RestController vs Service vs Component vs ...

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

Spring Boot Basics to Know :

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 ?

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