diff --git a/spring-boot-actuator/pom.xml b/spring-boot-actuator/pom.xml
index 17260b23a0..4f728c9a11 100644
--- a/spring-boot-actuator/pom.xml
+++ b/spring-boot-actuator/pom.xml
@@ -15,7 +15,6 @@
 		<version>1.2.3.RELEASE</version>
 	</parent>
 
-
 	<dependencies>
 		<dependency>
 			<groupId>org.springframework.boot</groupId>
diff --git a/spring-boot-actuator/src/main/java/org/baeldung/endpoints/CustomEndpoint.java b/spring-boot-actuator/src/main/java/org/baeldung/endpoints/CustomEndpoint.java
index 5581ce1052..222a54c6ef 100644
--- a/spring-boot-actuator/src/main/java/org/baeldung/endpoints/CustomEndpoint.java
+++ b/spring-boot-actuator/src/main/java/org/baeldung/endpoints/CustomEndpoint.java
@@ -8,28 +8,28 @@ import org.springframework.stereotype.Component;
 
 @Component
 public class CustomEndpoint implements Endpoint<List<String>> {
-	
-	public CustomEndpoint() {
-		
-	}
-	
-	public String getId() {
-		return "customEndpoint";
-	}
 
-	public boolean isEnabled() {
-		return true;
-	}
+    public CustomEndpoint() {
 
-	public boolean isSensitive() {
-		return true;
-	}
+    }
 
-	public List<String> invoke() {
-		//Your logic to display the output
-		List<String> messages = new ArrayList<String>();
-		messages.add("This is message 1");
-		messages.add("This is message 2");
-		return messages;
-	}
+    public String getId() {
+        return "customEndpoint";
+    }
+
+    public boolean isEnabled() {
+        return true;
+    }
+
+    public boolean isSensitive() {
+        return true;
+    }
+
+    public List<String> invoke() {
+        // Your logic to display the output
+        List<String> messages = new ArrayList<String>();
+        messages.add("This is message 1");
+        messages.add("This is message 2");
+        return messages;
+    }
 }
diff --git a/spring-boot-actuator/src/main/java/org/baeldung/endpoints/ListEndpoints.java b/spring-boot-actuator/src/main/java/org/baeldung/endpoints/ListEndpoints.java
index 89d4db5bfe..61571b4adf 100644
--- a/spring-boot-actuator/src/main/java/org/baeldung/endpoints/ListEndpoints.java
+++ b/spring-boot-actuator/src/main/java/org/baeldung/endpoints/ListEndpoints.java
@@ -9,15 +9,15 @@ import org.springframework.stereotype.Component;
 
 @Component
 public class ListEndpoints extends AbstractEndpoint<List<Endpoint>> {
-	private List<Endpoint> endpoints;
+    private List<Endpoint> endpoints;
 
-	@Autowired
-	public ListEndpoints(List<Endpoint> endpoints) {
-		super("listEndpoints");
-		this.endpoints = endpoints;
-	}
+    @Autowired
+    public ListEndpoints(List<Endpoint> endpoints) {
+        super("listEndpoints");
+        this.endpoints = endpoints;
+    }
 
-	public List<Endpoint> invoke() {
-		return this.endpoints;
-	}
+    public List<Endpoint> invoke() {
+        return this.endpoints;
+    }
 }
\ No newline at end of file
diff --git a/spring-boot-actuator/src/main/java/org/baeldung/endpoints/MyHealthCheck.java b/spring-boot-actuator/src/main/java/org/baeldung/endpoints/MyHealthCheck.java
index 67079beb6b..1a175aed48 100644
--- a/spring-boot-actuator/src/main/java/org/baeldung/endpoints/MyHealthCheck.java
+++ b/spring-boot-actuator/src/main/java/org/baeldung/endpoints/MyHealthCheck.java
@@ -7,16 +7,16 @@ import org.springframework.stereotype.Component;
 @Component
 public class MyHealthCheck implements HealthIndicator {
 
-	public Health health() {
-		int errorCode = check(); // perform some specific health check
+    public Health health() {
+        int errorCode = check(); // perform some specific health check
         if (errorCode != 0) {
             return Health.down().withDetail("Error Code", errorCode).withDetail("Description", "You custom MyHealthCheck endpoint is down").build();
         }
         return Health.up().build();
-	}
-	
-	public int check() {
-    	// Your logic to check health
-    	return 1;
+    }
+
+    public int check() {
+        // Your logic to check health
+        return 1;
     }
 }
diff --git a/spring-boot-actuator/src/main/java/org/baeldung/main/SpringBootActuatorApplication.java b/spring-boot-actuator/src/main/java/org/baeldung/main/SpringBootActuatorApplication.java
index 2099f11225..a8de99f149 100644
--- a/spring-boot-actuator/src/main/java/org/baeldung/main/SpringBootActuatorApplication.java
+++ b/spring-boot-actuator/src/main/java/org/baeldung/main/SpringBootActuatorApplication.java
@@ -1,6 +1,5 @@
 package org.baeldung.main;
 
-
 import org.baeldung.service.LoginService;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.SpringApplication;
@@ -11,20 +10,20 @@ import org.springframework.web.bind.annotation.RestController;
 
 @RestController
 @EnableAutoConfiguration
-@ComponentScan({"org.baeldung.endpoints", "org.baeldung.service", "org.baeldung.monitor.jmx"})
+@ComponentScan({ "org.baeldung.endpoints", "org.baeldung.service", "org.baeldung.monitor.jmx" })
 public class SpringBootActuatorApplication {
-	
-	@Autowired
-	private LoginService service;
-	
-	@RequestMapping("/")
+
+    @Autowired
+    private LoginService service;
+
+    @RequestMapping("/")
     String home() {
-		service.login("admin", "admin".toCharArray());
+        service.login("admin", "admin".toCharArray());
         return "TADA!!! You are in Spring Boot Actuator test application.";
     }
-	
-	public static void main(String[] args) {
-		SpringApplication.run(SpringBootActuatorApplication.class, args);
-	}
+
+    public static void main(String[] args) {
+        SpringApplication.run(SpringBootActuatorApplication.class, args);
+    }
 
 }
diff --git a/spring-boot-actuator/src/main/java/org/baeldung/monitor/jmx/MonitoringConfig.java b/spring-boot-actuator/src/main/java/org/baeldung/monitor/jmx/MonitoringConfig.java
index 6a99dcf8f4..8100e61629 100644
--- a/spring-boot-actuator/src/main/java/org/baeldung/monitor/jmx/MonitoringConfig.java
+++ b/spring-boot-actuator/src/main/java/org/baeldung/monitor/jmx/MonitoringConfig.java
@@ -9,9 +9,9 @@ import com.codahale.metrics.MetricRegistry;
 
 @Configuration
 public class MonitoringConfig {
-	@Autowired
+    @Autowired
     private MetricRegistry registry;
- 
+
     @Bean
     public JmxReporter jmxReporter() {
         JmxReporter reporter = JmxReporter.forRegistry(registry).build();
diff --git a/spring-boot-actuator/src/main/java/org/baeldung/service/LoginService.java b/spring-boot-actuator/src/main/java/org/baeldung/service/LoginService.java
index 4a959d38e1..4f38e9cf09 100644
--- a/spring-boot-actuator/src/main/java/org/baeldung/service/LoginService.java
+++ b/spring-boot-actuator/src/main/java/org/baeldung/service/LoginService.java
@@ -1,5 +1,5 @@
 package org.baeldung.service;
 
 public interface LoginService {
-	public boolean login(String userName, char[] password);
+    public boolean login(String userName, char[] password);
 }
diff --git a/spring-boot-actuator/src/main/java/org/baeldung/service/LoginServiceImpl.java b/spring-boot-actuator/src/main/java/org/baeldung/service/LoginServiceImpl.java
index bd2056d827..ed0090f8e4 100644
--- a/spring-boot-actuator/src/main/java/org/baeldung/service/LoginServiceImpl.java
+++ b/spring-boot-actuator/src/main/java/org/baeldung/service/LoginServiceImpl.java
@@ -7,26 +7,23 @@ import org.springframework.stereotype.Service;
 @Service
 public class LoginServiceImpl implements LoginService {
 
-	private CounterService counterService;
-	
-	@Autowired
-	public LoginServiceImpl(CounterService counterService) {
-		this.counterService = counterService;
-	}
-	
-	public boolean login(String userName, char[] password) {
-		boolean success;
-		if (userName.equals("admin") && "secret".toCharArray().equals(password))
-		{
-			counterService.increment("counter.login.success");
-			success = true;
-		}
-		else
-		{
-			counterService.increment("counter.login.failure");
-			success = false;
-		}
-		return success;
-	}
+    private CounterService counterService;
+
+    @Autowired
+    public LoginServiceImpl(CounterService counterService) {
+        this.counterService = counterService;
+    }
+
+    public boolean login(String userName, char[] password) {
+        boolean success;
+        if (userName.equals("admin") && "secret".toCharArray().equals(password)) {
+            counterService.increment("counter.login.success");
+            success = true;
+        } else {
+            counterService.increment("counter.login.failure");
+            success = false;
+        }
+        return success;
+    }
 
 }