diff --git a/persistence-modules/java-mongodb/src/main/java/com/baeldung/mongo/update/MultipleFieldsExample.java b/persistence-modules/java-mongodb/src/main/java/com/baeldung/mongo/update/MultipleFieldsExample.java
index b2fcddeafb..ebc56cbfd0 100644
--- a/persistence-modules/java-mongodb/src/main/java/com/baeldung/mongo/update/MultipleFieldsExample.java
+++ b/persistence-modules/java-mongodb/src/main/java/com/baeldung/mongo/update/MultipleFieldsExample.java
@@ -10,35 +10,35 @@ import com.mongodb.client.result.UpdateResult;
 
 public class MultipleFieldsExample {
 
-	public static void main(String[] args) {
+    public static void main(String[] args) {
 
-	    //
-	    // Connect to cluster (default is localhost:27017)
-	    //
+        //
+        // Connect to cluster (default is localhost:27017)
+        //
 
-		MongoClient mongoClient = new MongoClient("localhost", 27017);
-		MongoDatabase database = mongoClient.getDatabase("baeldung");
-		MongoCollection<Document> collection = database.getCollection("employee");
+        MongoClient mongoClient = new MongoClient("localhost", 27017);
+        MongoDatabase database = mongoClient.getDatabase("baeldung");
+        MongoCollection<Document> collection = database.getCollection("employee");
 
-		//
-		// Filter on the basis of employee_id
-		//
+        //
+        // Filter on the basis of employee_id
+        //
 
-		BasicDBObject searchQuery = new BasicDBObject("employee_id", 794875);
+        BasicDBObject searchQuery = new BasicDBObject("employee_id", 794875);
 
-		//
-		// Update the fields in Document
-		//
+        //
+        // Update the fields in Document
+        //
 
-		BasicDBObject updateFields = new BasicDBObject();
-		updateFields.append("department_id", 3);
-		updateFields.append("job", "Sales Manager");
-		BasicDBObject setQuery = new BasicDBObject();
-		setQuery.append("$set", updateFields);
-		UpdateResult updateResult = collection.updateMany(searchQuery, setQuery);
+        BasicDBObject updateFields = new BasicDBObject();
+        updateFields.append("department_id", 3);
+        updateFields.append("job", "Sales Manager");
+        BasicDBObject setQuery = new BasicDBObject();
+        setQuery.append("$set", updateFields);
+        UpdateResult updateResult = collection.updateMany(searchQuery, setQuery);
 
-		System.out.println("updateResult:- " + updateResult);
-		System.out.println("updateResult:- " + updateResult.getModifiedCount());
+        System.out.println("updateResult:- " + updateResult);
+        System.out.println("updateResult:- " + updateResult.getModifiedCount());
 
-	}
+    }
 }
diff --git a/persistence-modules/java-mongodb/src/main/java/com/baeldung/mongo/update/UpdateMultipleFields.java b/persistence-modules/java-mongodb/src/main/java/com/baeldung/mongo/update/UpdateMultipleFields.java
index 20af6d99cb..96dd086ed7 100644
--- a/persistence-modules/java-mongodb/src/main/java/com/baeldung/mongo/update/UpdateMultipleFields.java
+++ b/persistence-modules/java-mongodb/src/main/java/com/baeldung/mongo/update/UpdateMultipleFields.java
@@ -11,26 +11,25 @@ import com.mongodb.client.result.UpdateResult;
 
 public class UpdateMultipleFields {
 
-	public static void main(String[] args) {
+    public static void main(String[] args) {
 
-		//
-	    // Connect to cluster
-	    //
+        //
+        // Connect to cluster
+        //
 
-		MongoClient mongoClient = new MongoClient("localhost", 27007);
-		MongoDatabase database = mongoClient.getDatabase("baeldung");
-		MongoCollection<Document> collection = database.getCollection("employee");
+        MongoClient mongoClient = new MongoClient("localhost", 27007);
+        MongoDatabase database = mongoClient.getDatabase("baeldung");
+        MongoCollection<Document> collection = database.getCollection("employee");
 
-		//
-		// Update query
-		//
+        //
+        // Update query
+        //
 
-		UpdateResult updateResult = collection.updateMany(Filters.eq("employee_id", 794875),
-				Updates.combine(Updates.set("department_id", 4), Updates.set("job", "Sales Manager")));
+        UpdateResult updateResult = collection.updateMany(Filters.eq("employee_id", 794875), Updates.combine(Updates.set("department_id", 4), Updates.set("job", "Sales Manager")));
 
-		System.out.println("updateResult:- " + updateResult);
-		System.out.println("updateResult:- " + updateResult.getModifiedCount());
+        System.out.println("updateResult:- " + updateResult);
+        System.out.println("updateResult:- " + updateResult.getModifiedCount());
 
-	}
+    }
 
-}
\ No newline at end of file
+}
diff --git a/persistence-modules/java-mongodb/src/test/java/com/baeldung/update/UpdateMultipleFieldsLiveTest.java b/persistence-modules/java-mongodb/src/test/java/com/baeldung/update/UpdateMultipleFieldsLiveTest.java
index d1538d5312..d06de23423 100644
--- a/persistence-modules/java-mongodb/src/test/java/com/baeldung/update/UpdateMultipleFieldsLiveTest.java
+++ b/persistence-modules/java-mongodb/src/test/java/com/baeldung/update/UpdateMultipleFieldsLiveTest.java
@@ -2,8 +2,6 @@ package com.baeldung.update;
 
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertNull;
-import static org.junit.Assert.assertSame;
 
 import org.bson.Document;
 import org.junit.Before;
@@ -15,7 +13,6 @@ import com.mongodb.client.MongoCollection;
 import com.mongodb.client.MongoDatabase;
 import com.mongodb.client.model.Filters;
 import com.mongodb.client.model.Updates;
-import com.mongodb.client.result.UpdateResult;
 
 public class UpdateMultipleFieldsLiveTest {
 
@@ -30,8 +27,7 @@ public class UpdateMultipleFieldsLiveTest {
             db = mongoClient.getDatabase("baeldung");
             collection = db.getCollection("employee");
 
-            collection.insertOne(Document.parse(
-                    "{'employee_id':794875,'employee_name': 'David smith','job': 'Sales Representative','department_id': 2,'salary': 20000,'hire_date': NumberLong(\"1643969311817\")}"));
+            collection.insertOne(Document.parse("{'employee_id':794875,'employee_name': 'David Smith','job': 'Sales Representative','department_id': 2,'salary': 20000,'hire_date': NumberLong(\"1643969311817\")}"));
         }
     }
 
@@ -47,7 +43,8 @@ public class UpdateMultipleFieldsLiveTest {
 
         collection.updateMany(searchQuery, setQuery);
 
-        Document nameDoc = collection.find(Filters.eq("employee_id", 794875)).first();
+        Document nameDoc = collection.find(Filters.eq("employee_id", 794875))
+            .first();
         assertNotNull(nameDoc);
         assertFalse(nameDoc.isEmpty());
 
@@ -62,10 +59,10 @@ public class UpdateMultipleFieldsLiveTest {
     @Test
     public void updateMultipleFieldsUsingDocument() {
 
-        collection.updateMany(Filters.eq("employee_id", 794875),
-                Updates.combine(Updates.set("department_id", 4), Updates.set("job", "Sales Manager")));
+        collection.updateMany(Filters.eq("employee_id", 794875), Updates.combine(Updates.set("department_id", 4), Updates.set("job", "Sales Manager")));
 
-        Document nameDoc = collection.find(Filters.eq("employee_id", 794875)).first();
+        Document nameDoc = collection.find(Filters.eq("employee_id", 794875))
+            .first();
         assertNotNull(nameDoc);
         assertFalse(nameDoc.isEmpty());
 
@@ -78,3 +75,4 @@ public class UpdateMultipleFieldsLiveTest {
     }
 
 }
+