diff --git a/persistence-modules/java-mongodb-3/src/main/java/com/baeldung/mongo/insert/InsertArrayOperation.java b/persistence-modules/java-mongodb-3/src/main/java/com/baeldung/mongo/insert/InsertArrayOperation.java
new file mode 100644
index 0000000000..e073a1ec88
--- /dev/null
+++ b/persistence-modules/java-mongodb-3/src/main/java/com/baeldung/mongo/insert/InsertArrayOperation.java
@@ -0,0 +1,157 @@
+package com.baeldung.mongo.insert;
+
+import com.mongodb.*;
+import com.mongodb.client.FindIterable;
+import com.mongodb.client.MongoCollection;
+import com.mongodb.client.MongoCursor;
+import com.mongodb.client.MongoDatabase;
+import org.bson.Document;
+import org.bson.conversions.Bson;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import static com.mongodb.client.model.Filters.eq;
+import static com.mongodb.client.model.Filters.in;
+
+public class InsertArrayOperation {
+
+    private static MongoClient mongoClient;
+    private static MongoDatabase database;
+    private static MongoCollection<Document> collection;
+    private static DB db;
+    private static DBCollection dbCollection;
+    private static String collectionName;
+    private static String databaseName;
+
+    public static void setUp() {
+        if (mongoClient == null) {
+            mongoClient = new MongoClient("localhost", 27017);
+
+            databaseName = "baeldung";
+            collectionName = "student";
+
+            database = mongoClient.getDatabase(databaseName);
+            collection = database.getCollection(collectionName);
+
+            db = mongoClient.getDB(databaseName);
+            dbCollection = db.getCollection(collectionName);
+        }
+    }
+
+    public static void insertSingleBsonDocumentWithStringArray() {
+        BasicDBList coursesList = new BasicDBList();
+        coursesList.add("Chemistry");
+        coursesList.add("Science");
+
+        DBObject student = new BasicDBObject().append("studentId", "STUD1")
+            .append("name", "Jim")
+            .append("age", 13)
+            .append("courses", coursesList);
+
+        dbCollection.insert(student);
+
+        Bson filter = eq("studentId", "STUD1");
+        FindIterable<Document> documents = collection.find(filter);
+
+        MongoCursor<Document> cursor = documents.iterator();
+        while (cursor.hasNext()) {
+            System.out.println(cursor.next());
+        }
+    }
+
+    public static void insertSingleDocumentWithStringArray() {
+        List<String> coursesList = new ArrayList<>();
+        coursesList.add("Science");
+        coursesList.add("Geography");
+
+        Document student = new Document().append("studentId", "STUD2")
+            .append("name", "Sam")
+            .append("age", 13)
+            .append("courses", coursesList);
+
+        collection.insertOne(student);
+
+        Bson filter = eq("studentId", "STUD2");
+        FindIterable<Document> documents = collection.find(filter);
+
+        MongoCursor<Document> cursor = documents.iterator();
+        while (cursor.hasNext()) {
+            System.out.println(cursor.next());
+        }
+    }
+
+    public static void insertMultipleDocumentsWithStringArray() {
+        List<String> coursesList1 = new ArrayList<>();
+        coursesList1.add("Chemistry");
+        coursesList1.add("Geography");
+
+        Document student1 = new Document().append("studentId", "STUD3")
+            .append("name", "Sarah")
+            .append("age", 12)
+            .append("courses", coursesList1);
+
+        List<String> coursesList2 = new ArrayList<>();
+        coursesList2.add("Maths");
+        coursesList2.add("History");
+
+        Document student2 = new Document().append("studentId", "STUD4")
+            .append("name", "Tom")
+            .append("age", 13)
+            .append("courses", coursesList2);
+
+        List<Document> students = new ArrayList<>();
+        students.add(student1);
+        students.add(student2);
+
+        collection.insertMany(students);
+
+        Bson filter = in("studentId", "STUD3", "STUD4");
+        FindIterable<Document> documents = collection.find(filter);
+
+        MongoCursor<Document> cursor = documents.iterator();
+        while (cursor.hasNext()) {
+            System.out.println(cursor.next());
+        }
+    }
+
+    public static void insertSingleDocumentWithObjectArray() {
+        Document course1 = new Document().append("name", "C1")
+            .append("points", 5);
+
+        Document course2 = new Document().append("name", "C2")
+            .append("points", 7);
+
+        List<Document> coursesList = new ArrayList<>();
+        coursesList.add(course1);
+        coursesList.add(course2);
+
+        Document student = new Document().append("studentId", "STUD5")
+            .append("name", "Avin")
+            .append("age", 13)
+            .append("courses", coursesList);
+
+        collection.insertOne(student);
+
+        Bson filter = eq("studentId", "STUD5");
+        FindIterable<Document> documents = collection.find(filter);
+
+        MongoCursor<Document> cursor = documents.iterator();
+        while (cursor.hasNext()) {
+            System.out.println(cursor.next());
+        }
+    }
+
+    public static void main(String args[]) {
+
+        setUp();
+
+        insertSingleBsonDocumentWithStringArray();
+
+        insertSingleDocumentWithStringArray();
+
+        insertMultipleDocumentsWithStringArray();
+
+        insertSingleDocumentWithObjectArray();
+    }
+}
diff --git a/persistence-modules/java-mongodb-3/src/test/java/com/baeldung/mongo/insert/InsertArrayOperationLiveTest.java b/persistence-modules/java-mongodb-3/src/test/java/com/baeldung/mongo/insert/InsertArrayOperationLiveTest.java
new file mode 100644
index 0000000000..a844a003f0
--- /dev/null
+++ b/persistence-modules/java-mongodb-3/src/test/java/com/baeldung/mongo/insert/InsertArrayOperationLiveTest.java
@@ -0,0 +1,150 @@
+package com.baeldung.mongo.insert;
+
+import com.mongodb.*;
+import com.mongodb.client.FindIterable;
+import com.mongodb.client.MongoCollection;
+import com.mongodb.client.MongoCursor;
+import com.mongodb.client.MongoDatabase;
+import org.bson.Document;
+import org.bson.conversions.Bson;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import static com.mongodb.client.model.Filters.eq;
+import static com.mongodb.client.model.Filters.in;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+
+public class InsertArrayOperationLiveTest {
+
+    private static MongoClient mongoClient;
+    private static MongoDatabase database;
+    private static MongoCollection<Document> collection;
+    private static DB db;
+    private static DBCollection dbCollection;
+
+    @BeforeClass
+    public static void setUp() {
+        if (mongoClient == null) {
+            mongoClient = new MongoClient("localhost", 27017);
+
+            database = mongoClient.getDatabase("baeldung");
+            collection = database.getCollection("student");
+
+            db = mongoClient.getDB("baeldung");
+            dbCollection = db.getCollection("student");
+
+            collection.drop();
+        }
+    }
+
+    @Test
+    public void givenSingleStudentObjectWithStringArray_whenInsertingDBObject_thenCheckingForDocument() {
+        BasicDBList coursesList = new BasicDBList();
+        coursesList.add("Chemistry");
+        coursesList.add("Science");
+
+        DBObject student = new BasicDBObject().append("studentId", "STUD1")
+            .append("name", "Jim")
+            .append("age", 13)
+            .append("courses", coursesList);
+
+        dbCollection.insert(student);
+
+        Bson filter = eq("studentId", "STUD2");
+        FindIterable<Document> documents = collection.find(filter);
+
+        MongoCursor<Document> cursor = documents.iterator();
+
+        assertNotNull(cursor);
+        assertTrue(cursor.hasNext());
+    }
+
+    @Test
+    public void givenSingleStudentObjectWithStringArray_whenInsertingDocument_thenCheckingForDocument() {
+        List<String> coursesList = new ArrayList<>();
+        coursesList.add("Science");
+        coursesList.add("Geography");
+
+        Document student = new Document().append("studentId", "STUD2")
+            .append("name", "Sam")
+            .append("age", 13)
+            .append("courses", coursesList);
+
+        collection.insertOne(student);
+
+        Bson filter = eq("studentId", "STUD2");
+        FindIterable<Document> documents = collection.find(filter);
+
+        MongoCursor<Document> cursor = documents.iterator();
+
+        assertNotNull(cursor);
+        assertTrue(cursor.hasNext());
+    }
+
+    @Test
+    public void givenMultipleStudentObjectsWithStringArray_whenInsertingDocuments_thenCheckingForDocuments() {
+        List<String> coursesList1 = new ArrayList<>();
+        coursesList1.add("Chemistry");
+        coursesList1.add("Geography");
+
+        Document student1 = new Document().append("studentId", "STUD3")
+            .append("name", "Sarah")
+            .append("age", 12)
+            .append("courses", coursesList1);
+
+        List<String> coursesList2 = new ArrayList<>();
+        coursesList2.add("Maths");
+        coursesList2.add("History");
+
+        Document student2 = new Document().append("studentId", "STUD4")
+            .append("name", "Tom")
+            .append("age", 13)
+            .append("courses", coursesList2);
+
+        List<Document> students = new ArrayList<>();
+        students.add(student1);
+        students.add(student2);
+
+        collection.insertMany(students);
+
+        Bson filter = in("studentId", "STUD3", "STUD4");
+        FindIterable<Document> documents = collection.find(filter);
+
+        MongoCursor<Document> cursor = documents.iterator();
+
+        assertNotNull(cursor);
+        assertTrue(cursor.hasNext());
+    }
+
+    @Test
+    public void givenSingleStudentObjectWithObjectArray_whenInsertingDocument_thenCheckingForDocument() {
+        Document course1 = new Document().append("name", "C1")
+            .append("points", 5);
+
+        Document course2 = new Document().append("name", "C2")
+            .append("points", 7);
+
+        List<Document> coursesList = new ArrayList<>();
+        coursesList.add(course1);
+        coursesList.add(course2);
+
+        Document student = new Document().append("studentId", "STUD5")
+            .append("name", "Sam")
+            .append("age", 13)
+            .append("courses", coursesList);
+
+        collection.insertOne(student);
+
+        Bson filter = eq("studentId", "STUD5");
+        FindIterable<Document> documents = collection.find(filter);
+
+        MongoCursor<Document> cursor = documents.iterator();
+
+        assertNotNull(cursor);
+        assertTrue(cursor.hasNext());
+    }
+}