lder.create();
     Book book = jsonb.fromJson(new FileReader("jsonfile.json"), Book.class);</pre>
 If the deserialization process is unable to deserialize the JSON content to an object
 content tree, fatal error is reported that terminates processing by
 throwing JsonbException.
 </blockquote>

 <p><b>Serializing (writing) to JSON</b></p>
 <blockquote>
 Serialization writes the representation of a Java object content tree into
 JSON data.
 </blockquote>
 <blockquote>
 Writing (serializing) object content t