Added MongoDB database connection

import com.mongodb.ConnectionString;

import com.mongodb.MongoClientSettings;

import com.mongodb.MongoException;

import com.mongodb.ServerApi;

import com.mongodb.ServerApiVersion;

import com.mongodb.client.MongoClient;

import com.mongodb.client.MongoClients;

import com.mongodb.client.MongoDatabase;

import org.bson.Document;

public class MongoDBAtlasConnection {

    public static void main(String[] args) {

        String connectionString = "mongodb+srv://zanem:<YXQiSFkSVqxPTs3M>@cluster0.axhv9kg.mongodb.net/?retryWrites=true&w=majority&appName=Cluster0";

        ServerApi serverApi = ServerApi.builder()

                .version(ServerApiVersion.V1)

                .build();

        MongoClientSettings settings = MongoClientSettings.builder()

                .applyConnectionString(new ConnectionString(connectionString))

                .serverApi(serverApi)

                .build();

        try (MongoClient mongoClient = MongoClients.create(settings)) {

            try {

                MongoDatabase database = mongoClient.getDatabase("admin");

                database.runCommand(new Document("ping", 1));

                System.out.println("Pinged your deployment. You successfully connected to MongoDB!");

            } catch (MongoException e) {

                e.printStackTrace();

            }

        }

    }

}

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