Databases
Java MongoDB
Using MongoDB
Java MongoDB uses MongoDB Java Driver for document data.
Introduction to MongoDB Java Driver
The MongoDB Java Driver is a library that allows you to interact with MongoDB databases using Java. It provides a robust API to perform database operations such as CRUD (Create, Read, Update, Delete) and supports both synchronous and asynchronous programming models.
Setting Up MongoDB Java Driver
To use the MongoDB Java Driver in your project, you need to include its dependency in your build configuration file. If you are using Maven, add the following dependency to your pom.xml:
For Gradle users, include the following in your build.gradle:
Connecting to MongoDB
Once you have added the MongoDB Java Driver to your project, you can connect to a MongoDB database. Below is an example of how to establish a connection:
Performing CRUD Operations
With a MongoDB connection established, you can perform CRUD operations. Below are examples of how to create, read, update, and delete documents in a MongoDB collection.
Create Operation
To insert a document into a collection, use the insertOne method:
Read Operation
To read documents from a collection, use the find method. Here's how to retrieve all documents:
Update Operation
To update documents, use the updateOne method. Here's an example:
Delete Operation
To delete documents from a collection, use the deleteOne method. Here's an example:
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