diff --git a/testing-modules/mockito-simple/src/main/java/com/baeldung/mockito/argumentcaptor/AuthenticationStatus.java b/testing-modules/mockito-simple/src/main/java/com/baeldung/mockito/argumentcaptor/AuthenticationStatus.java
index 8307b4323b..0ba8a70021 100644
--- a/testing-modules/mockito-simple/src/main/java/com/baeldung/mockito/argumentcaptor/AuthenticationStatus.java
+++ b/testing-modules/mockito-simple/src/main/java/com/baeldung/mockito/argumentcaptor/AuthenticationStatus.java
@@ -1,7 +1,5 @@
 package com.baeldung.mockito.argumentcaptor;
 
 public enum AuthenticationStatus {
-    AUTHENTICATED,
-    NOT_AUTHENTICATED,
-    ERROR
+    AUTHENTICATED, NOT_AUTHENTICATED, ERROR
 }
diff --git a/testing-modules/mockito-simple/src/main/java/com/baeldung/mockito/argumentcaptor/ServiceStatus.java b/testing-modules/mockito-simple/src/main/java/com/baeldung/mockito/argumentcaptor/ServiceStatus.java
index 65def5af64..3951174b30 100644
--- a/testing-modules/mockito-simple/src/main/java/com/baeldung/mockito/argumentcaptor/ServiceStatus.java
+++ b/testing-modules/mockito-simple/src/main/java/com/baeldung/mockito/argumentcaptor/ServiceStatus.java
@@ -1,7 +1,5 @@
 package com.baeldung.mockito.argumentcaptor;
 
 public enum ServiceStatus {
-    UP,
-    DOWN,
-    AUTHENTICATED
+    UP, DOWN, AUTHENTICATED
 }
diff --git a/testing-modules/mockito-simple/src/main/java/com/baeldung/mockito/argumentmatchers/service/FlowerService.java b/testing-modules/mockito-simple/src/main/java/com/baeldung/mockito/argumentmatchers/service/FlowerService.java
index 364f2b57d7..f654638fd3 100644
--- a/testing-modules/mockito-simple/src/main/java/com/baeldung/mockito/argumentmatchers/service/FlowerService.java
+++ b/testing-modules/mockito-simple/src/main/java/com/baeldung/mockito/argumentmatchers/service/FlowerService.java
@@ -11,15 +11,15 @@ public class FlowerService {
     private List<String> flowers = Arrays.asList("Poppy", "Ageratum", "Carnation", "Diascia", "Lantana");
 
     public String analyze(String name) {
-        if(flowers.contains(name)) {
+        if (flowers.contains(name)) {
             return "flower";
         }
         return null;
     }
 
     public boolean isABigFlower(String name, int petals) {
-        if(flowers.contains(name)) {
-            if(petals > 10) {
+        if (flowers.contains(name)) {
+            if (petals > 10) {
                 return true;
             }
         }
diff --git a/testing-modules/mockito-simple/src/main/java/com/baeldung/mockito/junit5/User.java b/testing-modules/mockito-simple/src/main/java/com/baeldung/mockito/junit5/User.java
index 0f0b93e30b..4457d59b02 100644
--- a/testing-modules/mockito-simple/src/main/java/com/baeldung/mockito/junit5/User.java
+++ b/testing-modules/mockito-simple/src/main/java/com/baeldung/mockito/junit5/User.java
@@ -1,34 +1,39 @@
 package com.baeldung.mockito.junit5;
 
 public class User {
-    
+
     private Integer id;
     private String name;
     private int age;
-    
+
     public User() {
     }
-    
+
     public User(String name, int age) {
         this.name = name;
         this.age = age;
     }
-    
+
     public Integer getId() {
         return id;
     }
+
     public void setId(Integer id) {
         this.id = id;
     }
+
     public String getName() {
         return name;
     }
+
     public void setName(String name) {
         this.name = name;
     }
+
     public int getAge() {
         return age;
     }
+
     public void setAge(int age) {
         this.age = age;
     }
diff --git a/testing-modules/mockito-simple/src/main/java/com/baeldung/mockito/junit5/repository/SettingRepository.java b/testing-modules/mockito-simple/src/main/java/com/baeldung/mockito/junit5/repository/SettingRepository.java
index 78249c9fd9..094be12770 100644
--- a/testing-modules/mockito-simple/src/main/java/com/baeldung/mockito/junit5/repository/SettingRepository.java
+++ b/testing-modules/mockito-simple/src/main/java/com/baeldung/mockito/junit5/repository/SettingRepository.java
@@ -1,7 +1,7 @@
 package com.baeldung.mockito.junit5.repository;
 
 public interface SettingRepository {
-    
+
     int getUserMinAge();
 
     int getUserNameMinLength();
diff --git a/testing-modules/mockito-simple/src/main/java/com/baeldung/mockito/junit5/repository/UserRepository.java b/testing-modules/mockito-simple/src/main/java/com/baeldung/mockito/junit5/repository/UserRepository.java
index 5ce624b73b..9bc1b0d38c 100644
--- a/testing-modules/mockito-simple/src/main/java/com/baeldung/mockito/junit5/repository/UserRepository.java
+++ b/testing-modules/mockito-simple/src/main/java/com/baeldung/mockito/junit5/repository/UserRepository.java
@@ -5,6 +5,7 @@ import com.baeldung.mockito.junit5.User;
 public interface UserRepository {
 
     User insert(User user);
+
     boolean isUsernameAlreadyExists(String userName);
-    
+
 }
diff --git a/testing-modules/mockito-simple/src/main/java/com/baeldung/mockito/junit5/service/DefaultUserService.java b/testing-modules/mockito-simple/src/main/java/com/baeldung/mockito/junit5/service/DefaultUserService.java
index c239bba2b3..bad4e46682 100644
--- a/testing-modules/mockito-simple/src/main/java/com/baeldung/mockito/junit5/service/DefaultUserService.java
+++ b/testing-modules/mockito-simple/src/main/java/com/baeldung/mockito/junit5/service/DefaultUserService.java
@@ -6,11 +6,11 @@ import com.baeldung.mockito.junit5.repository.SettingRepository;
 import com.baeldung.mockito.junit5.repository.UserRepository;
 
 public class DefaultUserService implements UserService {
-    
+
     private UserRepository userRepository;
     private SettingRepository settingRepository;
     private MailClient mailClient;
-    
+
     public DefaultUserService(UserRepository userRepository, SettingRepository settingRepository, MailClient mailClient) {
         this.userRepository = userRepository;
         this.settingRepository = settingRepository;
@@ -26,19 +26,20 @@ public class DefaultUserService implements UserService {
     }
 
     private void validate(User user) {
-        if(user.getName() == null) {
+        if (user.getName() == null) {
             throw new RuntimeException(Errors.USER_NAME_REQUIRED);
         }
 
-        if(user.getName().length() < settingRepository.getUserNameMinLength()) {
+        if (user.getName()
+            .length() < settingRepository.getUserNameMinLength()) {
             throw new RuntimeException(Errors.USER_NAME_SHORT);
         }
-        
-        if(user.getAge() < settingRepository.getUserMinAge()) {
+
+        if (user.getAge() < settingRepository.getUserMinAge()) {
             throw new RuntimeException(Errors.USER_AGE_YOUNG);
         }
-        
-        if(userRepository.isUsernameAlreadyExists(user.getName())) {
+
+        if (userRepository.isUsernameAlreadyExists(user.getName())) {
             throw new RuntimeException(Errors.USER_NAME_DUPLICATE);
         }
     }
diff --git a/testing-modules/mockito-simple/src/main/java/com/baeldung/mockito/junit5/service/Errors.java b/testing-modules/mockito-simple/src/main/java/com/baeldung/mockito/junit5/service/Errors.java
index c46688f484..8a6882124a 100644
--- a/testing-modules/mockito-simple/src/main/java/com/baeldung/mockito/junit5/service/Errors.java
+++ b/testing-modules/mockito-simple/src/main/java/com/baeldung/mockito/junit5/service/Errors.java
@@ -6,5 +6,5 @@ public class Errors {
     public static final String USER_NAME_SHORT = "user.name.short";
     public static final String USER_AGE_YOUNG = "user.age.young";
     public static final String USER_NAME_DUPLICATE = "user.name.duplicate";
-    
+
 }