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framework-docs/modules/ROOT/pages/web/webflux/controller.adoc

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+[[webflux-controller]]
+= Annotated Controllers
+
+[.small]#<<web.adoc#mvc-controller, See equivalent in the Servlet stack>>#
+
+Spring WebFlux provides an annotation-based programming model, where `@Controller` and
+`@RestController` components use annotations to express request mappings, request input,
+handle exceptions, and more. Annotated controllers have flexible method signatures and
+do not have to extend base classes nor implement specific interfaces.
+
+The following listing shows a basic example:
+
+[source,java,indent=0,subs="verbatim,quotes",role="primary"]
+.Java
+----
+	@RestController
+	public class HelloController {
+
+		@GetMapping("/hello")
+		public String handle() {
+			return "Hello WebFlux";
+		}
+	}
+----
+[source,kotlin,indent=0,subs="verbatim,quotes",role="secondary"]
+.Kotlin
+----
+	@RestController
+	class HelloController {
+
+		@GetMapping("/hello")
+		fun handle() = "Hello WebFlux"
+	}
+----
+
+In the preceding example, the method returns a `String` to be written to the response body.
+
+
+