diff --git a/java-numbers-3/pom.xml b/java-numbers-3/pom.xml
index ce0f61cd30..495618885a 100644
--- a/java-numbers-3/pom.xml
+++ b/java-numbers-3/pom.xml
@@ -1,58 +1,58 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0"
-	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-	<modelVersion>4.0.0</modelVersion>
-	<artifactId>java-numbers-3</artifactId>
-	<name>java-numbers-3</name>
-	<packaging>jar</packaging>
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>java-numbers-3</artifactId>
+    <name>java-numbers-3</name>
+    <packaging>jar</packaging>
 
-	<parent>
-		<groupId>com.baeldung</groupId>
-		<artifactId>parent-java</artifactId>
-		<version>0.0.1-SNAPSHOT</version>
-		<relativePath>../parent-java</relativePath>
-	</parent>
+    <parent>
+        <groupId>com.baeldung</groupId>
+        <artifactId>parent-java</artifactId>
+        <version>0.0.1-SNAPSHOT</version>
+        <relativePath>../parent-java</relativePath>
+    </parent>
 
-	<dependencies>
-		<dependency>
-			<groupId>it.unimi.dsi</groupId>
-			<artifactId>dsiutils</artifactId>
-			<version>${dsiutils.version}</version>
-		</dependency>
-		<dependency>
-			<groupId>io.vavr</groupId>
-			<artifactId>vavr</artifactId>
-			<version>${vavr.version}</version>
-		</dependency>
-		<dependency>
-			<groupId>org.apache.commons</groupId>
-			<artifactId>commons-lang3</artifactId>
-			<version>${commons.version}</version>
-			<scope>test</scope>
-		</dependency>
-		<dependency>
-			<groupId>org.assertj</groupId>
-			<artifactId>assertj-core</artifactId>
-			<version>${assertj.version}</version>
-			<scope>test</scope>
-		</dependency>
-	</dependencies>
+    <dependencies>
+        <dependency>
+            <groupId>it.unimi.dsi</groupId>
+            <artifactId>dsiutils</artifactId>
+            <version>${dsiutils.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>io.vavr</groupId>
+            <artifactId>vavr</artifactId>
+            <version>${vavr.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+            <version>${commons.version}</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.assertj</groupId>
+            <artifactId>assertj-core</artifactId>
+            <version>${assertj.version}</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
 
-	<build>
-		<finalName>java-numbers-3</finalName>
-		<resources>
-			<resource>
-				<directory>src/main/resources</directory>
-				<filtering>true</filtering>
-			</resource>
-		</resources>
-	</build>
+    <build>
+        <finalName>java-numbers-3</finalName>
+        <resources>
+            <resource>
+                <directory>src/main/resources</directory>
+                <filtering>true</filtering>
+            </resource>
+        </resources>
+    </build>
 
-	<properties>
-		<dsiutils.version>2.6.0</dsiutils.version>
-		<vavr.version>0.10.2</vavr.version>
-		<commons.version>3.9</commons.version>
-		<assertj.version>3.6.1</assertj.version>
-	</properties>
+    <properties>
+        <dsiutils.version>2.6.0</dsiutils.version>
+        <vavr.version>0.10.2</vavr.version>
+        <commons.version>3.9</commons.version>
+        <assertj.version>3.6.1</assertj.version>
+    </properties>
 
 </project>