ng example:
 <pre>
 <code>
 JsonParserFactory factory = Json.createParserFactory();
 JsonParser parser1 = factory.createParser(...);
 JsonParser parser2 = factory.createParser(...);
 </code>
 </pre>

 <p>
 <code>JsonParser</code> parses JSON using the pull parsing programming model.
 In this model the client code controls the thread and calls the method
 <code>next()</code> to advance the parser to the next state after
 processing each element. The parser can generate the following events:
 <code>START_OBJE