Since: API Level 1
package

org.json

Classes

JSONArray A JSONArray is an ordered sequence of values. 
JSONObject A JSONObject is an unordered collection of name/value pairs. 
JSONStringer JSONStringer provides a quick and convenient way of producing JSON text. 
JSONTokener A JSONTokener takes a source string and extracts characters and tokens from it. 

Exceptions

JSONException The JSONException is thrown by the JSON.org classes then things are amiss.