BAEL-4842 - Use React and Spring Boot to Build a Simple CRUD App

Code review issues

spring-boot-modules/spring-boot-react/README.md

@@ -1,3 +1 @@
 ### Relevant Articles:
-
-- [Use React and Spring Boot to Build a Simple CRUD App](https://www.baeldung.com/use-react-and-spring-boot-to-build-a-simple-crud-app/)

spring-boot-modules/spring-boot-react/src/main/java/com/baeldung/springbootreact/controller/ClientsController.java

@@ -20,7 +20,7 @@ public class ClientsController {
     }
 
     @GetMapping
-    public List getClients() {
+    public List<Client> getClients() {
         return clientRepository.findAll();
     }
 
@@ -35,7 +35,7 @@ public class ClientsController {
         return ResponseEntity.created(new URI("/clients/" + savedClient.getId())).body(savedClient);
     }
 
-    @PutMapping("{id}")
+    @PutMapping("/{id}")
     public ResponseEntity updateClient(@PathVariable Long id, @RequestBody Client client) {
         Client currentClient = clientRepository.findById(id).orElseThrow(RuntimeException::new);
         currentClient.setName(client.getName());