diff --git a/persistence-modules/java-jpa-3/src/main/java/com/baeldung/jpa/removal/LineItem.java b/persistence-modules/java-jpa-3/src/main/java/com/baeldung/jpa/removal/LineItem.java
index c926785acc..9ab2dd4e74 100644
--- a/persistence-modules/java-jpa-3/src/main/java/com/baeldung/jpa/removal/LineItem.java
+++ b/persistence-modules/java-jpa-3/src/main/java/com/baeldung/jpa/removal/LineItem.java
@@ -1,11 +1,11 @@
 package com.baeldung.jpa.removal;
 
-import java.util.Objects;
 import javax.persistence.Entity;
 import javax.persistence.GeneratedValue;
 import javax.persistence.GenerationType;
 import javax.persistence.Id;
 import javax.persistence.ManyToOne;
+import java.util.Objects;
 
 @Entity
 public class LineItem {
@@ -25,8 +25,10 @@ public class LineItem {
 
     @Override
     public boolean equals(Object o) {
-        if (this == o) return true;
-        if (o == null || getClass() != o.getClass()) return false;
+        if (this == o)
+            return true;
+        if (o == null || getClass() != o.getClass())
+            return false;
 
         LineItem lineItem = (LineItem) o;
 
@@ -38,5 +40,6 @@ public class LineItem {
         return id != null ? id.hashCode() : 0;
     }
 
-    protected LineItem() {}
+    protected LineItem() {
+    }
 }
diff --git a/persistence-modules/java-jpa-3/src/main/java/com/baeldung/jpa/removal/OrderRequest.java b/persistence-modules/java-jpa-3/src/main/java/com/baeldung/jpa/removal/OrderRequest.java
index ada0459054..16ee3e0109 100644
--- a/persistence-modules/java-jpa-3/src/main/java/com/baeldung/jpa/removal/OrderRequest.java
+++ b/persistence-modules/java-jpa-3/src/main/java/com/baeldung/jpa/removal/OrderRequest.java
@@ -1,6 +1,5 @@
 package com.baeldung.jpa.removal;
 
-import java.util.List;
 import javax.persistence.CascadeType;
 import javax.persistence.Entity;
 import javax.persistence.GeneratedValue;
@@ -8,6 +7,7 @@ import javax.persistence.GenerationType;
 import javax.persistence.Id;
 import javax.persistence.OneToMany;
 import javax.persistence.OneToOne;
+import java.util.List;
 
 @Entity
 public class OrderRequest {
@@ -34,5 +34,6 @@ public class OrderRequest {
         lineItems.remove(lineItem);
     }
 
-    protected OrderRequest() {}
+    protected OrderRequest() {
+    }
 }
diff --git a/persistence-modules/java-jpa-3/src/main/java/com/baeldung/jpa/removal/ShipmentInfo.java b/persistence-modules/java-jpa-3/src/main/java/com/baeldung/jpa/removal/ShipmentInfo.java
index 67c8151801..12274bcadf 100644
--- a/persistence-modules/java-jpa-3/src/main/java/com/baeldung/jpa/removal/ShipmentInfo.java
+++ b/persistence-modules/java-jpa-3/src/main/java/com/baeldung/jpa/removal/ShipmentInfo.java
@@ -18,5 +18,6 @@ public class ShipmentInfo {
         this.name = name;
     }
 
-    protected ShipmentInfo() {}
+    protected ShipmentInfo() {
+    }
 }
diff --git a/persistence-modules/java-jpa-3/src/main/resources/META-INF/persistence.xml b/persistence-modules/java-jpa-3/src/main/resources/META-INF/persistence.xml
index 39d55695c4..88378bd8db 100644
--- a/persistence-modules/java-jpa-3/src/main/resources/META-INF/persistence.xml
+++ b/persistence-modules/java-jpa-3/src/main/resources/META-INF/persistence.xml
@@ -1,43 +1,43 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <persistence xmlns="http://xmlns.jcp.org/xml/ns/persistence"
-	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-	xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence
+             xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+             xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence
              http://xmlns.jcp.org/xml/ns/persistence/persistence_2_2.xsd"
-	version="2.2">
-	<persistence-unit name="jpa-h2-equality">
-		<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
-		<class>com.baeldung.jpa.equality.EqualByJavaDefault</class>
-		<class>com.baeldung.jpa.equality.EqualById</class>
-		<class>com.baeldung.jpa.equality.EqualByBusinessKey</class>
-		<exclude-unlisted-classes>true</exclude-unlisted-classes>
-		<properties>
-			<property name="javax.persistence.jdbc.driver" value="org.h2.Driver" />
-			<property name="javax.persistence.jdbc.url" value="jdbc:h2:mem:test" />
-			<property name="javax.persistence.jdbc.user" value="sa" />
-			<property name="javax.persistence.jdbc.password" value="" />
-			<property name="javax.persistence.jdbc.driver" value="org.h2.Driver" />
-			<property name="hibernate.dialect" value="org.hibernate.dialect.H2Dialect" />
-			<property name="hibernate.hbm2ddl.auto" value="create-drop" />
-			<property name="show_sql" value="false" />
-			<property name="hibernate.temp.use_jdbc_metadata_defaults" value="false" />
-		</properties>
-	</persistence-unit>
-	<persistence-unit name="jpa-h2-removal">
-		<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
-		<class>com.baeldung.jpa.removal.ShipmentInfo</class>
-		<class>com.baeldung.jpa.removal.LineItem</class>
-		<class>com.baeldung.jpa.removal.OrderRequest</class>
-		<exclude-unlisted-classes>true</exclude-unlisted-classes>
-		<properties>
-			<property name="javax.persistence.jdbc.driver" value="org.h2.Driver" />
-			<property name="javax.persistence.jdbc.url" value="jdbc:h2:mem:test" />
-			<property name="javax.persistence.jdbc.user" value="sa" />
-			<property name="javax.persistence.jdbc.password" value="" />
-			<property name="javax.persistence.jdbc.driver" value="org.h2.Driver" />
-			<property name="hibernate.dialect" value="org.hibernate.dialect.H2Dialect" />
-			<property name="hibernate.hbm2ddl.auto" value="create-drop" />
-			<property name="show_sql" value="false" />
-			<property name="hibernate.temp.use_jdbc_metadata_defaults" value="false" />
-		</properties>
-	</persistence-unit>
+             version="2.2">
+    <persistence-unit name="jpa-h2-equality">
+        <provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
+        <class>com.baeldung.jpa.equality.EqualByJavaDefault</class>
+        <class>com.baeldung.jpa.equality.EqualById</class>
+        <class>com.baeldung.jpa.equality.EqualByBusinessKey</class>
+        <exclude-unlisted-classes>true</exclude-unlisted-classes>
+        <properties>
+            <property name="javax.persistence.jdbc.driver" value="org.h2.Driver"/>
+            <property name="javax.persistence.jdbc.url" value="jdbc:h2:mem:test"/>
+            <property name="javax.persistence.jdbc.user" value="sa"/>
+            <property name="javax.persistence.jdbc.password" value=""/>
+            <property name="javax.persistence.jdbc.driver" value="org.h2.Driver"/>
+            <property name="hibernate.dialect" value="org.hibernate.dialect.H2Dialect"/>
+            <property name="hibernate.hbm2ddl.auto" value="create-drop"/>
+            <property name="show_sql" value="false"/>
+            <property name="hibernate.temp.use_jdbc_metadata_defaults" value="false"/>
+        </properties>
+    </persistence-unit>
+    <persistence-unit name="jpa-h2-removal">
+        <provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
+        <class>com.baeldung.jpa.removal.ShipmentInfo</class>
+        <class>com.baeldung.jpa.removal.LineItem</class>
+        <class>com.baeldung.jpa.removal.OrderRequest</class>
+        <exclude-unlisted-classes>true</exclude-unlisted-classes>
+        <properties>
+            <property name="javax.persistence.jdbc.driver" value="org.h2.Driver"/>
+            <property name="javax.persistence.jdbc.url" value="jdbc:h2:mem:test"/>
+            <property name="javax.persistence.jdbc.user" value="sa"/>
+            <property name="javax.persistence.jdbc.password" value=""/>
+            <property name="javax.persistence.jdbc.driver" value="org.h2.Driver"/>
+            <property name="hibernate.dialect" value="org.hibernate.dialect.H2Dialect"/>
+            <property name="hibernate.hbm2ddl.auto" value="create-drop"/>
+            <property name="show_sql" value="false"/>
+            <property name="hibernate.temp.use_jdbc_metadata_defaults" value="false"/>
+        </properties>
+    </persistence-unit>
 </persistence>
diff --git a/persistence-modules/java-jpa-3/src/test/java/com/baeldung/jpa/removal/CascadeTypeRemoveIntegrationTest.java b/persistence-modules/java-jpa-3/src/test/java/com/baeldung/jpa/removal/CascadeTypeRemoveIntegrationTest.java
index 11050a14ee..8f99723ac6 100644
--- a/persistence-modules/java-jpa-3/src/test/java/com/baeldung/jpa/removal/CascadeTypeRemoveIntegrationTest.java
+++ b/persistence-modules/java-jpa-3/src/test/java/com/baeldung/jpa/removal/CascadeTypeRemoveIntegrationTest.java
@@ -1,6 +1,9 @@
 package com.baeldung.jpa.removal;
 
-import java.util.List;
+import org.junit.Assert;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
 import javax.persistence.EntityManager;
 import javax.persistence.EntityManagerFactory;
 import javax.persistence.Persistence;
@@ -8,9 +11,7 @@ import javax.persistence.TypedQuery;
 import javax.persistence.criteria.CriteriaBuilder;
 import javax.persistence.criteria.CriteriaQuery;
 import javax.persistence.criteria.Root;
-import org.junit.Assert;
-import org.junit.BeforeClass;
-import org.junit.Test;
+import java.util.List;
 
 public class CascadeTypeRemoveIntegrationTest {
 
diff --git a/persistence-modules/java-jpa-3/src/test/java/com/baeldung/jpa/removal/OrphanRemovalIntegrationTest.java b/persistence-modules/java-jpa-3/src/test/java/com/baeldung/jpa/removal/OrphanRemovalIntegrationTest.java
index 75bb321ef4..0ab6e4cfbc 100644
--- a/persistence-modules/java-jpa-3/src/test/java/com/baeldung/jpa/removal/OrphanRemovalIntegrationTest.java
+++ b/persistence-modules/java-jpa-3/src/test/java/com/baeldung/jpa/removal/OrphanRemovalIntegrationTest.java
@@ -1,7 +1,9 @@
 package com.baeldung.jpa.removal;
 
-import java.util.ArrayList;
-import java.util.List;
+import org.junit.Assert;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
 import javax.persistence.EntityManager;
 import javax.persistence.EntityManagerFactory;
 import javax.persistence.Persistence;
@@ -9,9 +11,8 @@ import javax.persistence.TypedQuery;
 import javax.persistence.criteria.CriteriaBuilder;
 import javax.persistence.criteria.CriteriaQuery;
 import javax.persistence.criteria.Root;
-import org.junit.Assert;
-import org.junit.BeforeClass;
-import org.junit.Test;
+import java.util.ArrayList;
+import java.util.List;
 
 public class OrphanRemovalIntegrationTest {