APPLICATION_JSON_UTF8_VALUE is Deprecated

From Documentation:

"APPLICATION_JSON_UTF8_VALUE
Deprecated. as of 5.2 in favor of APPLICATION_JSON_VALUE since major browsers like Chrome now comply with the specification and interpret correctly UTF-8 special characters without requiring a charset=UTF-8 parameter"

https://docs.spring.io/spring-framework/docs/current/javadoc-api/org/springframework/http/MediaType.html

src/main/java/org/springframework/samples/petclinic/rest/PetRestController.java

@@ -51,7 +51,7 @@ public class PetRestController {
 	@Autowired
 	private ClinicService clinicService;
 
-	@RequestMapping(value = "/{petId}", method = RequestMethod.GET, produces = MediaType.APPLICATION_JSON_UTF8_VALUE)
+	@RequestMapping(value = "/{petId}", method = RequestMethod.GET, produces = MediaType.APPLICATION_JSON_VALUE)
 	public ResponseEntity<Pet> getPet(@PathVariable("petId") int petId){
 		Pet pet = this.clinicService.findPetById(petId);
 		if(pet == null){
@@ -60,7 +60,7 @@ public class PetRestController {
 		return new ResponseEntity<Pet>(pet, HttpStatus.OK);
 	}
 
-	@RequestMapping(value = "", method = RequestMethod.GET, produces = MediaType.APPLICATION_JSON_UTF8_VALUE)
+	@RequestMapping(value = "", method = RequestMethod.GET, produces = MediaType.APPLICATION_JSON_VALUE)
 	public ResponseEntity<Collection<Pet>> getPets(){
 		Collection<Pet> pets = this.clinicService.findAllPets();
 		if(pets.isEmpty()){
@@ -69,12 +69,12 @@ public class PetRestController {
 		return new ResponseEntity<Collection<Pet>>(pets, HttpStatus.OK);
 	}
 
-	@RequestMapping(value = "/pettypes", method = RequestMethod.GET, produces = MediaType.APPLICATION_JSON_UTF8_VALUE)
+	@RequestMapping(value = "/pettypes", method = RequestMethod.GET, produces = MediaType.APPLICATION_JSON_VALUE)
 	public ResponseEntity<Collection<PetType>> getPetTypes(){
 		return new ResponseEntity<Collection<PetType>>(this.clinicService.findPetTypes(), HttpStatus.OK);
 	}
 
-	@RequestMapping(value = "", method = RequestMethod.POST, produces = MediaType.APPLICATION_JSON_UTF8_VALUE)
+	@RequestMapping(value = "", method = RequestMethod.POST, produces = MediaType.APPLICATION_JSON_VALUE)
 	public ResponseEntity<Pet> addPet(@RequestBody @Valid Pet pet, BindingResult bindingResult, UriComponentsBuilder ucBuilder){
 		BindingErrorsResponse errors = new BindingErrorsResponse();
 		HttpHeaders headers = new HttpHeaders();
@@ -88,7 +88,7 @@ public class PetRestController {
 		return new ResponseEntity<Pet>(pet, headers, HttpStatus.CREATED);
 	}
 
-	@RequestMapping(value = "/{petId}", method = RequestMethod.PUT, produces = MediaType.APPLICATION_JSON_UTF8_VALUE)
+	@RequestMapping(value = "/{petId}", method = RequestMethod.PUT, produces = MediaType.APPLICATION_JSON_VALUE)
 	public ResponseEntity<Pet> updatePet(@PathVariable("petId") int petId, @RequestBody @Valid Pet pet, BindingResult bindingResult){
 		BindingErrorsResponse errors = new BindingErrorsResponse();
 		HttpHeaders headers = new HttpHeaders();
@@ -109,7 +109,7 @@ public class PetRestController {
 		return new ResponseEntity<Pet>(currentPet, HttpStatus.NO_CONTENT);
 	}
 
-	@RequestMapping(value = "/{petId}", method = RequestMethod.DELETE, produces = MediaType.APPLICATION_JSON_UTF8_VALUE)
+	@RequestMapping(value = "/{petId}", method = RequestMethod.DELETE, produces = MediaType.APPLICATION_JSON_VALUE)
 	@Transactional
 	public ResponseEntity<Void> deletePet(@PathVariable("petId") int petId){
 		Pet pet = this.clinicService.findPetById(petId);