diff --git a/data-platform/autonomous-database/autonomous-json/BasicMongoDemo/README.md b/data-platform/autonomous-database/autonomous-json/BasicMongoDemo/README.md
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+This repo contains some simple Java console application which demonstrates how to connect to Oracle API for MongoDB instance and perform CRUD operations
+
+# License
+
+Copyright (c) 2025 Oracle and/or its affiliates.
+
+Licensed under the Universal Permissive License (UPL), Version 1.0.
+
+See [LICENSE](https://github.com/oracle-devrel/technology-engineering/blob/main/LICENSE) for more details.
diff --git a/data-platform/autonomous-database/autonomous-json/BasicMongoDemo/java/com.oracle/Main.java b/data-platform/autonomous-database/autonomous-json/BasicMongoDemo/java/com.oracle/Main.java
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+++ b/data-platform/autonomous-database/autonomous-json/BasicMongoDemo/java/com.oracle/Main.java
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+package com.oracle;
+
+import com.mongodb.client.MongoClient;
+import com.mongodb.client.MongoClients;
+import com.mongodb.client.MongoCollection;
+import com.mongodb.client.MongoDatabase;
+import com.mongodb.client.model.Filters;
+import com.mongodb.client.model.ReplaceOptions;
+import com.mongodb.client.model.UpdateOptions;
+import com.mongodb.client.model.Updates;
+import org.bson.Document;
+import org.bson.conversions.Bson;
+
+//TIP To <b>Run</b> code, press <shortcut actionId="Run"/> or
+// click the <icon src="AllIcons.Actions.Execute"/> icon in the gutter.
+public class Main {
+    public static void main(String[] args) {
+        MongoClient client;
+        MongoDatabase db;
+        String connectString = System.getenv("DB_URI");
+        String dbName = System.getenv("DB_NAME");
+
+        try {
+            client = MongoClients.create(connectString);
+            db = client.getDatabase(dbName);
+
+            System.out.println("Connected!");
+
+            MongoCollection<Document> colors = db.getCollection("colors");
+            colors.deleteMany(new Document());
+            System.out.println("All documents form colors collection deleted.");
+
+            colors = db.getCollection("colors");
+            Document d = new Document("name","black");
+            d.append("_id","0001");
+            colors.insertOne(d);
+            d = new Document("name","yellow");
+            colors.insertOne(d);
+            d = new Document("name","green");
+            colors.insertOne(d);
+            System.out.println("Inserts done.");
+
+            Bson filter = Filters.eq("_id", "0001");
+            Bson update = Updates.set("name","orange");
+            UpdateOptions options = new UpdateOptions().upsert(true);
+            System.out.println(colors.updateOne(filter,update,options));
+            System.out.println("UPDATE with UPSERT done.");
+
+            ReplaceOptions replace = new ReplaceOptions().upsert(true);
+            d = new Document("_id", "0001");
+            d.append("name","white");
+            colors.replaceOne(filter,d,replace);
+            System.out.println("Replace done.");
+
+            System.out.println("Printing all documents from colors collection");
+            Bson f = Filters.empty();
+            colors.find(f).forEach(doc -> System.out.println(doc.toJson()));
+
+        }
+        catch (Exception e) {e.printStackTrace();}
+    }
+}
diff --git a/data-platform/autonomous-database/autonomous-json/BasicMongoDemo/pom.xml b/data-platform/autonomous-database/autonomous-json/BasicMongoDemo/pom.xml
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+++ b/data-platform/autonomous-database/autonomous-json/BasicMongoDemo/pom.xml
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+<?xml version="1.0" encoding="UTF-8"?>
+<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>
+
+    <groupId>com.oracle</groupId>
+    <artifactId>BasicMongoDemo</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <properties>
+        <maven.compiler.source>21</maven.compiler.source>
+        <maven.compiler.target>21</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+    <dependencies>
+        <dependency>
+            <groupId>org.mongodb</groupId>
+            <artifactId>mongodb-driver-sync</artifactId>
+            <version>5.5.0</version>
+        </dependency>
+        <!-- https://mvnrepository.com/artifact/org.mongodb/bson -->
+        <dependency>
+            <groupId>org.mongodb</groupId>
+            <artifactId>bson</artifactId>
+            <version>5.5.1</version>
+        </dependency>
+    </dependencies>
+</project>