Get Collections from MongoDB in Java

Get Collections from MongoDB in Java.

This example shows how to get collections from MongoDB in Java. Program to get list of all collection names in given mongodb database.

import java.net.UnknownHostException;
import java.util.Set;

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

public class GetCollectionApp {

    public static void main(String[] args) {
        try {
            Mongo mongo = new Mongo("localhost", 27017);
            DB db = mongo.getDB("yourdb");

            // get entire list of collections
            Set collections = db.getCollectionNames();

            for (String collectionName: collections) {
                System.out.println(collectionName);
            }

            // get a single collection
            DBCollection collection = db.getCollection("yourCollection");
            System.out.println(collection.toString());

            System.out.println("Done");

        } catch (UnknownHostException e) {
            e.printStackTrace();
        } catch (MongoException e) {
            e.printStackTrace();
        }
    }

}

import java.net.UnknownHostException;

import java.util.Set;

import com.mongodb.DB;

import com.mongodb.DBCollection;

import com.mongodb.Mongo;

import com.mongodb.MongoException;

public class GetCollectionApp {

public static void main(String[] args) {

try {

Mongo mongo = new Mongo("localhost", 27017);

DB db = mongo.getDB("yourdb");

// get entire list of collections

Set collections = db.getCollectionNames();

for (String collectionName: collections) {

System.out.println(collectionName);

}

// get a single collection

DBCollection collection = db.getCollection("yourCollection");

System.out.println(collection.toString());

System.out.println("Done");

} catch (UnknownHostException e) {

e.printStackTrace();

} catch (MongoException e) {

e.printStackTrace();

}

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