output.txt

rs0:PRIMARY> db.testCollection.find().pretty()
{
        "_id" : 1,
        "title" : "MongoDB",
        "description" : "test document",
        "author" : "dc"
}
{
        "_id" : 2,
        "title" : "MongoDB",
        "description" : "test document 1",
        "author" : "dc"
}
{
        "_id" : 3,
        "title" : "MongoDB",
        "description" : "test document 2",
        "author" : "dc",
        "order" : {
                "orderId" : 1,
                "quantity" : 2,
                "price" : 100,
                "description" : "Product 1"
        }
}
{
        "_id" : 4,
        "title" : "MongoDB",
        "description" : "test document 3",
        "author" : "dc",
        "orderList" : [
                {
                        "id" : 1,
                        "quantity" : 2,
                        "price" : 100,
                        "description" : "Product 1"
                },
                {
                        "id" : 2,
                        "quantity" : 2,
                        "price" : 200,
                        "description" : "Product 2"
                }
        ]
}