adds 1

demo/src/main/java/com/example/demo/Controllers/Controllers.java

@@ -5,7 +5,7 @@ import org.springframework.web.bind.annotation.*;
 @RestController
 @CrossOrigin
 public class Controllers {
-    @GetMapping("/hello")
+    @GetMapping("/")
     public @ResponseBody String hello(@RequestParam(value = "name", required = false, defaultValue = "World") String name) {
         return String.format("Hello %s!", name);
     }

demo/src/main/java/com/example/demo/speaker/controller/SpeakerController.java

@@ -13,7 +13,7 @@ public class SpeakerController {
     }
 
     @GetMapping("/hello")
-    public String hello(@RequestParam(defaultValue = "Привет") String name,
+    public String hello(@RequestParam(defaultValue = "мир") String name,
                         @RequestParam(defaultValue = "ru") String lang){
         return speakerService.say(name, lang);
     }

demo/src/main/java/com/example/demo/speaker/domain/SpeakerRus.java

@@ -2,7 +2,7 @@ package com.example.demo.speaker.domain;
 
 import org.springframework.stereotype.Component;
 
-@Component(value = "ru")
+
 public class SpeakerRus implements Speaker{
     @Override
     public String say(){

demo/src/main/java/com/example/demo/speaker/service/SpeakerService.java

@@ -14,6 +14,6 @@ public class SpeakerService {
 
     public String say(String name, String lang){
         final Speaker speaker = (Speaker) applicationContext.getBean(lang);
-        return String.format("Hello %s %s!", speaker.say(), name);
+        return String.format("%s %s!", speaker.say(), name);
     }
 }