Java XML and JSON, second edition Ideally, you should read the second edition of Java XML and JSON before studying the additional content in this article.

Functions are available to convert native data structures to and from XML, JSON, and YAML. These are typically used by an application and often a user will never see this data.

Learn about JavaScript Object Notation and JSON objects and arrays, including how and why they're used. Also, find out how JSON compares to HTML and XML.

With a couple of mouse clicks you can convert JSON or XML to a perfectly good class. And, with a little extra work, you can do it in a couple of keystrokes.