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One very useful feature found in a lot of applications is to contact a backend server for data using JSON. In today's lesson, we look at how to very easily download and parse JSON objects using the Decodable protocol available in Swift 4. Because we already have Company and Employee classes created through auto generation with Core Data, we'll be using JSONCompany and JSONEmployee as Decodables.
JSON Endpoint URL: https://api.letsbuildthatapp.com/intermediate_training/companies