List of things I did

@Entity,@OneToOne,@OneToMany,@ManyToOne @Embedded,@Embeddable @Qualifier,@Primary @Value, Defaulting values for fields like Int Double Boolean String String[ ] @Enumerated @EntityListeners FetchType - EAGER, LAZY, Cascade, Insertable, updatable

@GetMapping, @PostMapping,@PutMapping & @RequestMapping, @Requestparam,@PathVariable, @RequestBody,@RequestHeader,@ResponseBody,@ResponseHeader @Component,@Service, @Controller,@RestController,@RestControllerAdvice, @Autowiring,@Entity,@Configuration @Configuration

-Repository annotated class using @Query @Query(nativeQuery = true) @NamedQuery(nativeQuery = true, name = "find") and @NamedNativeQuery()