diff --git a/apache-poi/src/main/java/com/baeldung/poi/word/WordDocument.java b/apache-poi/src/main/java/com/baeldung/poi/word/WordDocument.java
index c05c323447..599da86eaa 100644
--- a/apache-poi/src/main/java/com/baeldung/poi/word/WordDocument.java
+++ b/apache-poi/src/main/java/com/baeldung/poi/word/WordDocument.java
@@ -1,5 +1,8 @@
 package com.baeldung.poi.word;
 
+import org.apache.poi.util.Units;
+import org.apache.poi.xwpf.usermodel.*;
+
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.net.URISyntaxException;
@@ -9,13 +12,6 @@ import java.nio.file.Paths;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
-import org.apache.poi.util.Units;
-import org.apache.poi.xwpf.usermodel.ParagraphAlignment;
-import org.apache.poi.xwpf.usermodel.UnderlinePatterns;
-import org.apache.poi.xwpf.usermodel.XWPFDocument;
-import org.apache.poi.xwpf.usermodel.XWPFParagraph;
-import org.apache.poi.xwpf.usermodel.XWPFRun;
-
 public class WordDocument {
     public static String logo = "logo-leaf.png";
     public static String paragraph1 = "poi-word-para1.txt";
diff --git a/spring-reactor/src/main/java/com/baeldung/Application.java b/spring-reactor/src/main/java/com/baeldung/Application.java
index 67f713cd83..b635a39e97 100644
--- a/spring-reactor/src/main/java/com/baeldung/Application.java
+++ b/spring-reactor/src/main/java/com/baeldung/Application.java
@@ -15,35 +15,34 @@ import reactor.bus.EventBus;
 
 import static reactor.bus.selector.Selectors.$;
 
-
 @Configuration
 @EnableAutoConfiguration
 @ComponentScan
 public class Application implements CommandLineRunner {
-	
-	@Autowired
-	private EventBus eventBus;
-	
-	@Autowired
-	private NotificationConsumer notificationConsumer;
-	
+
+    @Autowired
+    private EventBus eventBus;
+
+    @Autowired
+    private NotificationConsumer notificationConsumer;
+
     @Bean
     Environment env() {
         return Environment.initializeIfEmpty().assignErrorJournal();
     }
-    
+
     @Bean
     EventBus createEventBus(Environment env) {
-	    return EventBus.create(env, Environment.THREAD_POOL);
+        return EventBus.create(env, Environment.THREAD_POOL);
     }
 
-	@Override
-	public void run(String... args) throws Exception {
-		eventBus.on($("notificationConsumer"), notificationConsumer);
-	}
+    @Override
+    public void run(String... args) throws Exception {
+        eventBus.on($("notificationConsumer"), notificationConsumer);
+    }
 
-	public static void main(String[] args){
-		SpringApplication.run(Application.class, args);
-	}
+    public static void main(String[] args) {
+        SpringApplication.run(Application.class, args);
+    }
 
 }
diff --git a/spring-reactor/src/main/java/com/baeldung/consumer/NotificationConsumer.java b/spring-reactor/src/main/java/com/baeldung/consumer/NotificationConsumer.java
index 0d33f78477..ca6a5b4303 100644
--- a/spring-reactor/src/main/java/com/baeldung/consumer/NotificationConsumer.java
+++ b/spring-reactor/src/main/java/com/baeldung/consumer/NotificationConsumer.java
@@ -12,17 +12,18 @@ import reactor.fn.Consumer;
 @Service
 public class NotificationConsumer implements Consumer<Event<NotificationData>> {
 
-	@Autowired
-	private NotificationService notificationService;
-	
-	@Override
-	public void accept(Event<NotificationData> notificationDataEvent) {
-		
-		NotificationData notificationData = notificationDataEvent.getData();
-		try {
-			notificationService.initiateNotofication(notificationData);
-		} catch (InterruptedException e) {}
-		
-	}
+    @Autowired
+    private NotificationService notificationService;
+
+    @Override
+    public void accept(Event<NotificationData> notificationDataEvent) {
+
+        NotificationData notificationData = notificationDataEvent.getData();
+        try {
+            notificationService.initiateNotification(notificationData);
+        } catch (InterruptedException e) {
+        }
+
+    }
 
 }
diff --git a/spring-reactor/src/main/java/com/baeldung/controller/NotificationController.java b/spring-reactor/src/main/java/com/baeldung/controller/NotificationController.java
index a6dba64bc2..87198409b5 100644
--- a/spring-reactor/src/main/java/com/baeldung/controller/NotificationController.java
+++ b/spring-reactor/src/main/java/com/baeldung/controller/NotificationController.java
@@ -13,25 +13,25 @@ import reactor.bus.EventBus;
 
 @Controller
 public class NotificationController {
-	
-	@Autowired
-	private EventBus eventBus;
 
-	@RequestMapping(value = "/startNotification/{param}", method = RequestMethod.GET)
-	public void startNotification(@PathVariable("param") String param) {
-	
-		int notificationSize = Integer.parseInt(param);
-		
-		for(int i = 0; i < notificationSize; i++) {
-		
-			NotificationData data = new NotificationData();
-			data.setId(i);
-			
-			eventBus.notify("notificationConsumer",Event.wrap(data));
-			
-			System.out.println("Notification " +i +": notification task submitted successfully");
-		}
-		
-	}
-	
+    @Autowired
+    private EventBus eventBus;
+
+    @RequestMapping(value = "/startNotification/{param}", method = RequestMethod.GET)
+    public void startNotification(@PathVariable("param") String param) {
+
+        int notificationSize = Integer.parseInt(param);
+
+        for (int i = 0; i < notificationSize; i++) {
+
+            NotificationData data = new NotificationData();
+            data.setId(i);
+
+            eventBus.notify("notificationConsumer", Event.wrap(data));
+
+            System.out.println("Notification " + i + ": notification task submitted successfully");
+        }
+
+    }
+
 }
diff --git a/spring-reactor/src/main/java/com/baeldung/doman/NotificationData.java b/spring-reactor/src/main/java/com/baeldung/doman/NotificationData.java
index e623d80887..d6d7b02949 100644
--- a/spring-reactor/src/main/java/com/baeldung/doman/NotificationData.java
+++ b/spring-reactor/src/main/java/com/baeldung/doman/NotificationData.java
@@ -1,35 +1,42 @@
 package com.baeldung.doman;
 
 public class NotificationData {
-	
-	private long id;
-	private String name;
-	private String email;
-	private String mobile;
 
-	public long getId() {
-		return id;
-	}
-	public void setId(long id) {
-		this.id = id;
-	}
-	public String getName() {
-		return name;
-	}
-	public void setName(String name) {
-		this.name = name;
-	}
-	public String getEmail() {
-		return email;
-	}
-	public void setEmail(String email) {
-		this.email = email;
-	}
-	public String getMobile() {
-		return mobile;
-	}
-	public void setMobile(String mobile) {
-		this.mobile = mobile;
-	}
+    private long id;
+    private String name;
+    private String email;
+    private String mobile;
+
+    public long getId() {
+        return id;
+    }
+
+    public void setId(long id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getEmail() {
+        return email;
+    }
+
+    public void setEmail(String email) {
+        this.email = email;
+    }
+
+    public String getMobile() {
+        return mobile;
+    }
+
+    public void setMobile(String mobile) {
+        this.mobile = mobile;
+    }
 
 }
diff --git a/spring-reactor/src/main/java/com/baeldung/service/NotificationService.java b/spring-reactor/src/main/java/com/baeldung/service/NotificationService.java
index 348024d8a1..f653b2162f 100644
--- a/spring-reactor/src/main/java/com/baeldung/service/NotificationService.java
+++ b/spring-reactor/src/main/java/com/baeldung/service/NotificationService.java
@@ -4,6 +4,6 @@ import com.baeldung.doman.NotificationData;
 
 public interface NotificationService {
 
-	public void initiateNotofication(NotificationData notificationData) throws InterruptedException;
-	
+    void initiateNotification(NotificationData notificationData) throws InterruptedException;
+
 }
diff --git a/spring-reactor/src/main/java/com/baeldung/service/impl/NotificationServiceimpl.java b/spring-reactor/src/main/java/com/baeldung/service/impl/NotificationServiceimpl.java
index e5dc209384..bf37741f6a 100644
--- a/spring-reactor/src/main/java/com/baeldung/service/impl/NotificationServiceimpl.java
+++ b/spring-reactor/src/main/java/com/baeldung/service/impl/NotificationServiceimpl.java
@@ -7,15 +7,15 @@ import com.baeldung.service.NotificationService;
 
 @Service
 public class NotificationServiceimpl implements NotificationService {
-	
-	@Override
-	public void initiateNotofication(NotificationData notificationData) throws InterruptedException {
 
-		System.out.println("Notification service started for Notification ID: " +notificationData.getId());
-		
-		Thread.sleep(5000);
-		
-		System.out.println("Notification service ended for Notification ID: " +notificationData.getId());
-	}
+    @Override
+    public void initiateNotification(NotificationData notificationData) throws InterruptedException {
+
+        System.out.println("Notification service started for Notification ID: " + notificationData.getId());
+
+        Thread.sleep(5000);
+
+        System.out.println("Notification service ended for Notification ID: " + notificationData.getId());
+    }
 
 }