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Program to Insert List/Array in collection In MongoDb in java >

Program to Insert List/Array in collection In MongoDb in java >

package insertDocumentInCollectionInMongoDB;

/**

* Write a program to Insert Array in collection In MongoDb

import java.util.ArrayList;

import com.mongodb.BasicDBObject;

import com.mongodb.DB;

import com.mongodb.DBCollection;

import com.mongodb.DBCursor;

import com.mongodb.MongoClient;

import com.mongodb.MongoClientURI;

public class InsertArrayInDocumentInCollectionInMongoDb6 {

public static void main(String[] args) {

/* Connect to MongoDB */

MongoClient mongoClient =

new MongoClient(new MongoClientURI("mongodb://localhost:27017"));

/* Connect to DATABASE */

//If in case database doesn't exists, it will be created at runtime

DB db = mongoClient.getDB("mydb");

/* Get the COLLECTION (TABLE) */

//If in case collection (Table) doesn't exists, it will be created at runtime

DBCollection dbCollection = db.getCollection("employee");

/*If collection already exists, you may remove everything

from collection for perfect OUTPUT of program*/

dbCollection.remove(new BasicDBObject()); //Not Mandatory

/** create a BasicDBObject (document /record) */

System.out.println("create a BasicDBObject");

BasicDBObject basicDBObjectMain = new BasicDBObject();

basicDBObjectMain.put("id", 1);

basicDBObjectMain.put("name", "Ankit");

/** create a list of Phone */

System.out.println("create a list of Phone");

java.util.List<Integer> phoneList = new ArrayList<Integer>();

phoneList.add(9899);

phoneList.add(1234);

/* Put phoneList in BasicDBObject */

System.out.println("Put phoneList in BasicDBObject");

basicDBObjectMain.put("Phone", phoneList);

/** INSERT document/record in COLLECTION in MongoDB */

System.out.println("INSERT document >");

dbCollection.insert(basicDBObjectMain);

/* Display documents of COLLECTION in MongoDB */

System.out.println("Display documents of COLLECTION in MongoDB >");

DBCursor dbCursor = dbCollection.find();

while (dbCursor.hasNext()) {

System.out.println(dbCursor.next());

}

/* OUTPUT

create a BasicDBObject

create a list of Phone

Put phoneList in BasicDBObject

INSERT document >

Display documents of COLLECTION in MongoDB >

{ "_id" : { "$oid" : "58738fba02860c3b50a26152"} , "id" : 1 , "name" : "Ankit" , "Phone" : [ 9899 , 1234]}

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Summary -

So in this MongoDB tutorial we learned with example and program how to to Insert list/Array in collection In MongoDb in java.

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