Mongo mg = new Mongo("localhost", 27017); // get db db = mg.getDB("CRUD"); // get collection dc = db.getCollection("test");
//Update BasicDBObject query = new BasicDBObject(); query.put("name", "hulu22"); query.put("title", "PO"); BasicDBObject newDoc = new BasicDBObject(); newDoc.put("$set", new BasicDBObject("title", "PM").append("name", "hulu22"));// $unset: Removes the specified field from a document.