🏷️ Spring Boot Annotations

Essential Spring Boot Annotations

Quick reference for REST, DI, and data annotations

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🎯 About

Concise showcase of essential Spring Boot annotations. Configure REST endpoints, dependency injection, and data handling effectively.

📚 Key Annotations

Category	Annotations
Core	@SpringBootApplication, @Component, @Bean
REST	@RestController, @GetMapping, @PostMapping
DI	@Autowired, @Qualifier, @Value
Data	@Entity, @Repository, @Transactional
Config	@Configuration, @PropertySource

💻 Examples

@RestController
@RequestMapping("/api")
public class UserController {
    
    @Autowired
    private UserService userService;
    
    @GetMapping("/users")
    public List<User> getAll() {
        return userService.findAll();
    }
    
    @PostMapping("/users")
    public User create(@RequestBody User user) {
        return userService.save(user);
    }
}

🛠️ Technologies

Spring Boot | REST API | JPA | Maven

📬 Contact

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Keywords: Spring-Boot Annotations REST-API Autowired Component Controller Repository