Create user and list all users

CreateUserExample.java

import com.mongodb.BasicDBObject;
import com.mongodb.MongoClient;
import com.mongodb.client.MongoDatabase;
import org.bson.Document;

import java.util.Arrays;
import java.util.Collections;
import java.util.List;

public class CreateUserExample {
    public static void main(String[] args) {
        MongoClient mongoClient = new MongoClient();

        // Create a new user in the admin database
        MongoDatabase mongoDatabase = mongoClient.getDatabase("admin");
        String userName = "usr";
        Document command = new Document("createUser", userName)
                           .append("pwd", "Cip#erCloud@123")
                           .append("roles", Collections.singletonList("readWrite"));

        mongoDatabase.runCommand(command);

        // List all users in the admin database
        Document response = mongoDatabase.runCommand(new Document("usersInfo", 1));
        List<Document> users = response.get("users", List.class);
        for (Document user : users) {
            System.out.println(user);
        }
    }
}