21. JSON Serialization and Deserialization Loading advertisement... Up next 20 Why cant I cast my sets? Cancel Turn Off Light Share Auto Next 0 Comments 21. JSON Serialization and Deserialization cloudbitestvadminNovember 30, 2014June 23, 2019010.5K IN this video we start the first of a multi-part series on how we can use JSON within Apex to enhance functionality and performance. Post Views: 10,510 Previous Video 22 Beginning our Stateful System with JSON Next Video 20 Why cant I cast my sets?