JSON

JSON (JavaScript Object Notation) is a fast-rising data interchange format. As such it is an alternative to the XML format for data interchange. Unlike XML, JSON is a subset of the Javascript language. While JSON has a smaller footprint than XML, its most compelling advantage is that JSON sets are Javascript arrays. This is particularly advantageous to Ajax-rich pages where the page controller is typically a Javascript event. A basic but functional implementation of JSON in Java is available on the json.org site.