diff --git a/src/main/java/guru/springframework/spring6di/controllers/ConstructorInjectedController.java b/src/main/java/guru/springframework/spring6di/controllers/ConstructorInjectedController.java
index 75724712..af63f653 100644
--- a/src/main/java/guru/springframework/spring6di/controllers/ConstructorInjectedController.java
+++ b/src/main/java/guru/springframework/spring6di/controllers/ConstructorInjectedController.java
@@ -9,11 +9,9 @@
 @Controller
 public class ConstructorInjectedController {
     private final GreetingService greetingService;
-
     public ConstructorInjectedController(GreetingService greetingService) {
         this.greetingService = greetingService;
     }
-
     public String sayHello(){
         return greetingService.sayGreeting();
     }
diff --git a/src/main/java/guru/springframework/spring6di/controllers/PropertyInjectedController.java b/src/main/java/guru/springframework/spring6di/controllers/PropertyInjectedController.java
index 489ec064..a468aaf4 100644
--- a/src/main/java/guru/springframework/spring6di/controllers/PropertyInjectedController.java
+++ b/src/main/java/guru/springframework/spring6di/controllers/PropertyInjectedController.java
@@ -9,12 +9,9 @@
  */
 @Controller
 public class PropertyInjectedController {
-
     @Autowired
     GreetingService greetingService;
-
     public String sayHello(){
         return greetingService.sayGreeting();
     }
-
 }
diff --git a/src/main/java/guru/springframework/spring6di/controllers/SetterInjectedController.java b/src/main/java/guru/springframework/spring6di/controllers/SetterInjectedController.java
index e9793955..1d774395 100644
--- a/src/main/java/guru/springframework/spring6di/controllers/SetterInjectedController.java
+++ b/src/main/java/guru/springframework/spring6di/controllers/SetterInjectedController.java
@@ -9,16 +9,12 @@
  */
 @Controller
 public class SetterInjectedController {
-
-
     private GreetingService greetingService;
-
     @Autowired
     public void setGreetingService(GreetingService greetingService) {
         System.out.println("SetterInjectedController.setGreetingService");
         this.greetingService = greetingService;
     }
-
     public String sayHello(){
         return greetingService.sayGreeting();
     }
diff --git a/src/main/java/guru/springframework/spring6di/services/GreetingService.java b/src/main/java/guru/springframework/spring6di/services/GreetingService.java
index 051f689c..debc604c 100644
--- a/src/main/java/guru/springframework/spring6di/services/GreetingService.java
+++ b/src/main/java/guru/springframework/spring6di/services/GreetingService.java
@@ -4,6 +4,5 @@
  * Created by jt, Spring Framework Guru.
  */
 public interface GreetingService {
-
     String sayGreeting();
 }
diff --git a/src/test/java/guru/springframework/spring6di/controllers/PropertyInjectedControllerTest.java b/src/test/java/guru/springframework/spring6di/controllers/PropertyInjectedControllerTest.java
index e64bbe69..b2b41069 100644
--- a/src/test/java/guru/springframework/spring6di/controllers/PropertyInjectedControllerTest.java
+++ b/src/test/java/guru/springframework/spring6di/controllers/PropertyInjectedControllerTest.java
@@ -6,13 +6,10 @@
 
 @SpringBootTest
 class PropertyInjectedControllerTest {
-
     @Autowired
     PropertyInjectedController propertyInjectedController;
-
     @Test
     void sayHello() {
         System.out.println(propertyInjectedController.sayHello());
-
     }
 }
\ No newline at end of file
diff --git a/src/test/java/guru/springframework/spring6di/controllers/SetterInjectedControllerTest.java b/src/test/java/guru/springframework/spring6di/controllers/SetterInjectedControllerTest.java
index 9ce41861..3a6452ff 100644
--- a/src/test/java/guru/springframework/spring6di/controllers/SetterInjectedControllerTest.java
+++ b/src/test/java/guru/springframework/spring6di/controllers/SetterInjectedControllerTest.java
@@ -10,10 +10,8 @@
 
 @SpringBootTest
 class SetterInjectedControllerTest {
-
     @Autowired
     SetterInjectedController setterInjectedController;
-
     @Test
     void sayHello() {
         System.out.println(setterInjectedController.sayHello());