Data processing is a core feature of all computing devices. And iPhones are mobile computers. Your profile on social networks, cookies on websites, emails and SMS messages, even user interfaces – all of them are data structures. For example, iOS storyboards have an XML format; you can open them in a text editor.
That’s why it’s important to learn how to handle data as a starting point. We will work with the Data class representing binary data; we will convert data types and handle conversion errors, extract data ...