Java Quick Start Project

This repository contains code samples for the Quick Start blog post series.

You can read more about the Quick Start series on the MongoDB Developer Hub.

• MongoDB & Java - CRUD Operations Tutorial
• Java - Mapping POJOs
• Java - Aggregation Pipeline
• Java - Change Streams
• Java - Client Side Field Level Encryption
• Java - Multi-Doc ACID Transactions

MongoDB Cluster

To get started with MongoDB Atlas and get a free cluster read this blog post.

Requirements

• Java 21
• Maven 3.8.7.

Command lines

• Compile:

mvn clean compile

• Run the HelloMongoDB class:

mvn compile exec:java -Dexec.mainClass="com.mongodb.quickstart.HelloMongoDB"

• Run the Connection class:

mvn compile exec:java -Dexec.mainClass="com.mongodb.quickstart.Connection" -Dmongodb.uri="mongodb+srv://USERNAME:PASSWORD@cluster0-abcde.mongodb.net/test?w=majority"

• Run the Create class:

mvn compile exec:java -Dexec.mainClass="com.mongodb.quickstart.Create" -Dmongodb.uri="mongodb+srv://USERNAME:PASSWORD@cluster0-abcde.mongodb.net/test?w=majority"

• Run the Read class:

mvn compile exec:java -Dexec.mainClass="com.mongodb.quickstart.Read" -Dmongodb.uri="mongodb+srv://USERNAME:PASSWORD@cluster0-abcde.mongodb.net/test?w=majority"

• Run the Update class:

mvn compile exec:java -Dexec.mainClass="com.mongodb.quickstart.Update" -Dmongodb.uri="mongodb+srv://USERNAME:PASSWORD@cluster0-abcde.mongodb.net/test?w=majority"

• Run the Delete class:

mvn compile exec:java -Dexec.mainClass="com.mongodb.quickstart.Delete" -Dmongodb.uri="mongodb+srv://USERNAME:PASSWORD@cluster0-abcde.mongodb.net/test?w=majority"

• Run the MappingPOJO class:

mvn compile exec:java -Dexec.mainClass="com.mongodb.quickstart.MappingPOJO" -Dmongodb.uri="mongodb+srv://USERNAME:PASSWORD@cluster0-abcde.mongodb.net/test?w=majority"

• Run the AggregationFramework class:

mvn compile exec:java -Dexec.mainClass="com.mongodb.quickstart.AggregationFramework" -Dmongodb.uri="mongodb+srv://USERNAME:PASSWORD@cluster0-abcde.mongodb.net/test?w=majority"

• Run the ChangeStreams class:

mvn compile exec:java -Dexec.mainClass="com.mongodb.quickstart.ChangeStreams" -Dmongodb.uri="mongodb+srv://USERNAME:PASSWORD@cluster0-abcde.mongodb.net/test?w=majority"

• Run the ClientSideFieldLevelEncryption class:

mvn compile exec:java -Dexec.mainClass="com.mongodb.quickstart.csfle.ClientSideFieldLevelEncryption" -Dmongodb.uri="mongodb+srv://USERNAME:PASSWORD@cluster0-abcde.mongodb.net/test?w=majority"

Transactions

Always start the ChangeStreams class in the transactions package first because it creates the product collection with the required JSON Schema. See the related blog post.

• Run the ChangeStreams class:

mvn compile exec:java -Dexec.mainClass="com.mongodb.quickstart.transactions.ChangeStreams" -Dmongodb.uri="mongodb+srv://USERNAME:PASSWORD@cluster0-abcde.mongodb.net/test?w=majority"

• Run the Transactions class:

mvn compile exec:java -Dexec.mainClass="com.mongodb.quickstart.transactions.Transactions" -Dmongodb.uri="mongodb+srv://USERNAME:PASSWORD@cluster0-abcde.mongodb.net/test?w=majority"

Author

Maxime Beugnet

• maxime@mongodb.com
• MaBeuLux88 on GitHub
• MaBeuLux88 in the MongoDB Developer Community forum.