Simplest way to retrieve an int from a mongo result?

Simplest way to retrieve an int from a mongo result?

References

Reference NO 1

http://stackoverflow.com/questions/15205292/simplest-way-to-retrieve-an-int-from-a-mongo-result

Reference NO 2

http://php.net/manual/en/mongocollection.find.php

Reference NO 3

https://jira.mongodb.org/browse/JAVA-792

Reference NO 4

http://rsmith.co/2012/11/05/mongodb-gotchas-and-how-to-avoid-them/

Reference NO 5

http://christiankvalheim.com/post/10358134361

Reference NO 6

http://www.mkyong.com/mongodb/java-mongodb-query-document/

Reference NO 7

http://www.ibm.com/developerworks/library/os-django-mongo/

Reference NO 8

https://github.com/andywenk/mongodb_basics/blob/master/MongoDB_basics.md