BAEL-1749 Spring @Order

* A new rest controller has been added to demonstrate the real-time event
streaming using Spring WebFlux

* delete

* Delete WebfluxController.java

* BAEL-658 (#4150)

* Review changes

* BAEL-1749 Test name change

spring-all/src/main/java/org/baeldung/order/Average.java

@@ -0,0 +1,15 @@
+package org.baeldung.order;
+
+import org.springframework.core.Ordered;
+import org.springframework.core.annotation.Order;
+import org.springframework.stereotype.Component;
+
+@Component
+@Order(Ordered.LOWEST_PRECEDENCE)
+public class Average implements Rating {
+
+    @Override
+    public int getRating() {
+        return 3;
+    }
+}

spring-all/src/main/java/org/baeldung/order/Excellent.java

@@ -0,0 +1,14 @@
+package org.baeldung.order;
+
+import org.springframework.stereotype.Component;
+import org.springframework.core.annotation.Order;
+
+@Component
+@Order(1)
+public class Excellent implements Rating {
+
+    @Override
+    public int getRating() {
+        return 1;
+    }
+}

spring-all/src/main/java/org/baeldung/order/Good.java

@@ -0,0 +1,14 @@
+package org.baeldung.order;
+
+import org.springframework.core.annotation.Order;
+import org.springframework.stereotype.Component;
+
+@Component
+@Order(2)
+public class Good implements Rating {
+
+    @Override
+    public int getRating() {
+        return 2;
+    }
+}

spring-all/src/main/java/org/baeldung/order/Rating.java

@@ -0,0 +1,6 @@
+package org.baeldung.order;
+
+public interface Rating {
+    
+    int getRating();
+}