Java XML and JSON, Chapter 11, introduces Jackson, which provides APIs for parsing and creating JSON objects. It’s also possible to use Jackson to convert XML documents to JSON documents.

from within Java, the Nashorn support for JSON can be accessed. However, doing so requires a roundtrip into Nashorn and back again, i.e. there is no Java-language level support for JSON parsing.

JSR-353, the Java API for JSON Processing (JSON-P), has reached final approval ballot this month. JSON-P (similar to JAXP) consists of a Streaming API (similar to StAX) and an Object Model API (simila ...