diff --git a/java-cassandra/pom.xml b/java-cassandra/pom.xml
index 3866f2a1d5..ad38eeaa0a 100644
--- a/java-cassandra/pom.xml
+++ b/java-cassandra/pom.xml
@@ -4,12 +4,12 @@
     <artifactId>cassandra-java-client</artifactId>
     <version>1.0.0-SNAPSHOT</version>
     
-  	<name>cassandra-java-client</name>
-  	
-  	<properties>
-    	<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    	
-    	<!-- logging -->
+      <name>cassandra-java-client</name>
+      
+      <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        
+        <!-- logging -->
         <org.slf4j.version>1.7.21</org.slf4j.version>
         <logback.version>1.1.7</logback.version>
         
@@ -25,26 +25,26 @@
         
         <!-- Cassandra -->
         <cassandra-driver-core.version>3.0.3</cassandra-driver-core.version>
-  	</properties>
+      </properties>
   
-  	<dependencies>
-  		<!-- Cassandra -->
-  		<dependency>
-			<groupId>com.datastax.cassandra</groupId>
-			<artifactId>cassandra-driver-core</artifactId>
-			<version>${cassandra-driver-core.version}</version>
-			<optional>true</optional>
-		</dependency>
-		
-		<!-- https://mvnrepository.com/artifact/org.cassandraunit/cassandra-unit -->
-		<dependency>
-		    <groupId>org.cassandraunit</groupId>
-		    <artifactId>cassandra-unit</artifactId>
-		    <version>2.2.2.1</version>
-		</dependency>
-		
-		
-  		<!-- logging -->
+      <dependencies>
+          <!-- Cassandra -->
+          <dependency>
+            <groupId>com.datastax.cassandra</groupId>
+            <artifactId>cassandra-driver-core</artifactId>
+            <version>${cassandra-driver-core.version}</version>
+            <optional>true</optional>
+        </dependency>
+        
+        <!-- https://mvnrepository.com/artifact/org.cassandraunit/cassandra-unit -->
+        <dependency>
+            <groupId>org.cassandraunit</groupId>
+            <artifactId>cassandra-unit</artifactId>
+            <version>2.2.2.1</version>
+        </dependency>
+        
+        
+          <!-- logging -->
 
         <dependency>
             <groupId>org.slf4j</groupId>
@@ -69,15 +69,15 @@
             <version>${org.slf4j.version}</version>
         </dependency>
         
-    	<dependency>
-      		<groupId>junit</groupId>
-      		<artifactId>junit</artifactId>
-      		<version>${junit.version}</version>
-      		<scope>test</scope>
-    	</dependency>
-  	</dependencies>
-  	
-  	<build>
+        <dependency>
+              <groupId>junit</groupId>
+              <artifactId>junit</artifactId>
+              <version>${junit.version}</version>
+              <scope>test</scope>
+        </dependency>
+      </dependencies>
+      
+      <build>
         <finalName>java-cassandra</finalName>
 
         <plugins>
diff --git a/java-cassandra/src/main/java/com/baeldung/cassandra/java/client/domain/Book.java b/java-cassandra/src/main/java/com/baeldung/cassandra/java/client/domain/Book.java
index 25ff9e2f22..e6c7753eb3 100644
--- a/java-cassandra/src/main/java/com/baeldung/cassandra/java/client/domain/Book.java
+++ b/java-cassandra/src/main/java/com/baeldung/cassandra/java/client/domain/Book.java
@@ -14,8 +14,7 @@ public class Book {
 
     private String publisher;
 
-    public Book() {
-        
+    Book() {
     }
     
     public Book(UUID id, String title, String author, String subject) {