MongoDB Get Document Count using Java Program

MongoDB Get Document Count using Java

In this example, We will show you sample program about, How to perform MongoDB get document count using Java. The same program has been shared in the post with output.

Example Program

package com.dineshkrish.mongo;

import org.bson.Document;

import com.mongodb.MongoClient;
import com.mongodb.client.MongoCollection;
import com.mongodb.client.MongoDatabase;

/**
 * 
 * @author Dinesh Krishnan
 *
 */

public class DeleteDocument {

	public static void main(String[] args) {

		// host name
		final String HOST_NAME = "localhost";

		// default port number
		final int PORT = 27017;

		// creating mongo client object
		MongoClient client = new MongoClient(HOST_NAME, PORT);

		// selecting the mongo database
		MongoDatabase database = client.getDatabase("dineshkrish");

		// selecting the mongo collection
		MongoCollection<Document> collection = database
				.getCollection("employee_records");
		
		// getting the document count
		System.out.println("Total Document Count is : "+collection.count());
		
		
		// closing the client
		client.close();

	}
}

Output

Total Document Count is : 5

References

1. MongoDB Java API Documentation
2. JavaDoc – MongoClient Class
3. JavaDoc – MongoDatabase Interface
4. JavaDoc – Document Class