empty lines

src/main/java/guru/springframework/spring6di/Spring6DiApplication.java

@@ -12,10 +12,7 @@ public static void main(String[] args) {
         ApplicationContext ctx = SpringApplication.run(Spring6DiApplication.class, args);
 
         MyController controller = ctx.getBean(MyController.class);
-
         System.out.println("In Main Method");
-
         System.out.println(controller.sayHello());
     }
-
 }

src/main/java/guru/springframework/spring6di/controllers/ConstructorInjectedController.java

@@ -7,11 +7,9 @@
  */
 public class ConstructorInjectedController {
     private final GreetingService greetingService;
-
     public ConstructorInjectedController(GreetingService greetingService) {
         this.greetingService = greetingService;
     }
-
     public String sayHello(){
         return greetingService.sayGreeting();
     }

src/main/java/guru/springframework/spring6di/controllers/MyController.java

@@ -9,16 +9,13 @@
  */
 @Controller
 public class MyController {
-
     private final GreetingService greetingService;
-
     public MyController() {
         this.greetingService = new GreetingServiceImpl();
     }
 
     public String sayHello(){
         System.out.println("I'm in the controller");
-
         return greetingService.sayGreeting();
     }
 }

src/main/java/guru/springframework/spring6di/controllers/PropertyInjectedController.java

@@ -6,11 +6,9 @@
  * Created by jt, Spring Framework Guru.
  */
 public class PropertyInjectedController {
-
     GreetingService greetingService;
 
     public String sayHello(){
         return greetingService.sayGreeting();
     }
-
 }

src/main/java/guru/springframework/spring6di/controllers/SetterInjectedController.java

@@ -7,11 +7,9 @@
  */
 public class SetterInjectedController {
     private GreetingService greetingService;
-
     public void setGreetingService(GreetingService greetingService) {
         this.greetingService = greetingService;
     }
-
     public String sayHello(){
         return greetingService.sayGreeting();
     }

src/main/java/guru/springframework/spring6di/services/GreetingService.java

@@ -4,6 +4,5 @@
  * Created by jt, Spring Framework Guru.
  */
 public interface GreetingService {
-
     String sayGreeting();
 }