import org.bson.Document;
import com.mongodb.ConnectionString;
import com.mongodb.MongoException;
import com.mongodb.client.MongoClient;
import com.mongodb.client.MongoClients;
import com.mongodb.client.MongoCollection;
import com.mongodb.client.MongoDatabase;

public class App {
    public static void main(String[] args) throws Exception {
        try {
            String url = "mongodb://root:titok@localhost:27017";
                        
            ConnectionString cs = new ConnectionString(url);
            MongoClient client = MongoClients.create(cs);
            MongoDatabase database = client.getDatabase("zoldzrt");
            MongoCollection<Document> collection = database.getCollection("employees");

            Document doc = new Document();
            doc.put("name", "Lime Lajos");
            doc.put("city", "Pécs");
            doc.put("salary", 392.8);
            collection.insertOne(doc);

        } catch (MongoException e) {
            System.err.println("Hiba! A kapcsolódás sikertelen!");
            System.err.println(e.getMessage());
        }
        
    }
}