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 No SQL > Mongo DB > How to add Users to MongoDB

How to add Users to MongoDB 

MongoDB is a scalable, high-performance, open source NoSQL database. It offers Ad hoc queries, Indexing, Replication, Load balancing, File storage (GridFS), Aggregation, MapReduce and Server-side JavaScript execution. This requires the library mongo-2.8.0.jar to be present in the classpath. The following example shows how to add users to the given Mongo database.

File Name  :  
Author  :  Sudhakar KV
Email  :  [email protected]
package com.bethecoder.tutorials.mongodb.tests;


import com.mongodb.DB;
import com.mongodb.Mongo;
import com.mongodb.MongoException;

public class AddUserToDatabaseTest {

   @param args
  public static void main(String[] args) {

    try {
      //Connect to mongoDB with given IP and PORT
      Mongo mongo = new Mongo("localhost"27017);
      //Get the database object
      DB database = mongo.getDB("mytestdb");
      String username = null;
      String password = null;
      for (int i = ; i < ; i ++) {
        username = "user" (i+1);
        password = "mypassword" (i+1);
        //Add a new user to database
        //Stores password in MD5 format
        database.addUser(username, password.toCharArray());
      for (int i = ; i < ; i ++) {
        username = "readonlyuser" (i+1);
        password = "mypassword" (i+1);
        //Add a new read-only user to database
        //Stores password in MD5 format
        database.addUser(username, password.toCharArray()true);
    catch (UnknownHostException e) {
    catch (MongoException e) {


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