adding pet controller, broken example for assignment

src/main/java/guru/springframework/sfgdi/SfgDiApplication.java

@@ -11,6 +11,10 @@ public class SfgDiApplication {
 	public static void main(String[] args) {
 		ApplicationContext ctx = SpringApplication.run(SfgDiApplication.class, args);
 
+		PetController petController = ctx.getBean("petController", PetController.class);
+		System.out.println("--- The Best Pet is ---");
+		System.out.println(petController.whichPetIsTheBest());
+
 		I18nController i18nController = (I18nController) ctx.getBean("i18nController");
 		System.out.println(i18nController.sayHello());
 

src/main/java/guru/springframework/sfgdi/controllers/PetController.java

@@ -0,0 +1,15 @@
+package guru.springframework.sfgdi.controllers;
+
+import guru.springframework.sfgdi.services.PetService;
+
+/**
+ * Created by jt on 12/28/19.
+ */
+public class PetController {
+
+    private final PetService petService;
+
+    public String whichPetIsTheBest(){
+        return petService.getPetType();
+    }
+}

src/main/java/guru/springframework/sfgdi/services/CatPetService.java

@@ -0,0 +1,14 @@
+package guru.springframework.sfgdi.services;
+
+import org.springframework.stereotype.Service;
+
+/**
+ * Created by jt on 12/28/19.
+ */
+@Service("cat")
+public class CatPetService implements PetService {
+    @Override
+    public String getPetType() {
+        return "Cats Are the Best!";
+    }
+}

src/main/java/guru/springframework/sfgdi/services/DogPetService.java

@@ -0,0 +1,13 @@
+package guru.springframework.sfgdi.services;
+
+import org.springframework.context.annotation.Profile;
+
+/**
+ * Created by jt on 12/28/19.
+ */
+@Profile({"dog", "default"})
+public class DogPetService {
+    public String getPetType(){
+        return "Dogs are the best!";
+    }
+}

src/main/java/guru/springframework/sfgdi/services/PetService.java

@@ -0,0 +1,9 @@
+package guru.springframework.sfgdi.services;
+
+/**
+ * Created by jt on 12/28/19.
+ */
+public interface PetService {
+
+    String getPetType();
+}