Installing and running MongoDB
Visit the MongoDB home page, in the Software (dropdown), select Community Server.
In the MongoDB Community Server page, specify the platform details and download the MongoDB server compatible to your platform.
Install the downloaded software and create a folder/directory named data in the C drive to store the database files.
Set the path (environmental variable) for the bin directory of MongoDB i.e. C:\Program Files\MongoDB\Server\4.2\bin>
Open a command prompt and run the MongoDB server by executing the mongod command as shown below −
C:\Users\Tutorialspoint>mongod --dbpath "C:\data"
Open another command prompt connect to the server by running the mongo command this will give you MongoDB shell and from this, you can
From MongoDB shell, you can manipulate data in the database.
For testing the setup, try connecting to a database named my database using the use command. If your setup is successful you will get the following result.
> use myDatabase; switched to db myDatabase
Installing Java MongoDB driver
To set up a MongoDB java environment in eclipse you need to create a Java – Maven project and, add the following dependency to its pom.xml file.
<dependency> <groupId>org.mongodb</groupId> <artifactId>mongo-java-driver</artifactId> <version>3.12.2</version> </dependency>
Verification
Following JDBC program connects with a database on MongoDB, try executing it −
Example
import com.mongodb.MongoClient; public class ConnectToDB { public static void main( String args[] ) { //Creating a MongoDB client MongoClient mongo = new MongoClient( "localhost" , 27017 ); //Accessing the database mongo.getDatabase("myDatabase"); System.out.println("Connected to the database successfully"); } }
If everything goes fine the above program generates the following output −
Connected to the database successfully