BAEL-3007: WebClient vs RestTemplate example.

spring-5-reactive-2/src/main/java/com/baeldung/webclient/TweetsSlowServiceController.java

@@ -0,0 +1,20 @@
+package com.baeldung.webclient;
+
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.Arrays;
+import java.util.List;
+
+@RestController
+public class TweetsSlowServiceController {
+
+    @GetMapping("/slow-service-tweets")
+    private List<Tweet> getAllTweets() throws Exception {
+        Thread.sleep(2000L); // delay
+        return Arrays.asList(
+          new Tweet("RestTemplate rules", "@user1"),
+          new Tweet("WebClient is better", "@user2"),
+          new Tweet("OK, both are useful", "@user1"));
+    }
+}