(MongoDB Java) $push into array

Question

I\'m using mongo 2.2.3 and the java driver. My dilemma, I have to $push a field and value into an array, but I cant seem to figure out how to do this. A sample of my data:<

Answer 1

MongoDB Java driver can simplify this. Use $each instead of $push.

$each mongodb reference document

Java sample -

    BasicDBObject addressSpec = new BasicDBObject();
    addressSpec.put("id", new ObjectId().toString());
    addressSpec.put("name", "one");

    BasicDBObject addressSpec2 = new BasicDBObject();
    addressSpec2.put("id", new ObjectId().toString());
    addressSpec2.put("name", "two");

    List list = new ArrayList<>();
    list.add(addressSpec); list.add(addressSpec2);

    UpdateResult updateOne = individualCollection.updateOne(Filters.eq("_id", "5b7c6b612612242a6d34ebb6"), 
            Updates.pushEach("subCategories", list));