CORS : How to handle CORS in Server code

@CrossOrigin(origins = "http://example.com")

https://medium.com/@dtkatz/3-ways-to-fix-the-cors-error-and-how-access-control-allow-origin-works-d97d55946d9

https://www.baeldung.com/spring-cors

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@CrossOrigin(origins = "http://example.com", maxAge = 3600) @RestController @RequestMapping("/account") public class AccountController {