Use constructor injection for Jersey sample

spring-boot-samples/spring-boot-sample-jersey/src/main/java/sample/jersey/Endpoint.java

@@ -26,9 +26,13 @@ import org.springframework.stereotype.Component;
 @Path("/hello")
 public class Endpoint {
 
-	@Autowired
 	private Service service;
 
+	@Autowired
+	public Endpoint(Service service) {
+		this.service = service;
+	}
+
 	@GET
 	public String message() {
 		return "Hello " + this.service.message();