ect unmarshal(HierarchicalStreamReader reader,
                        UnmarshallingContext context) {
                return null;
        }

}</pre></div><p>Now let's convert anything which extends <i>Calendar</i>:
means if instances of class <i>clazz</i> can be assigned to the
<i>Calendar</i> class, they extends the abstract class
<i>Calendar</i>:</p><div class="Source Java"><pre>public boolean canConvert(Class clazz) {
        return Calendar.class.isAssignableFrom(clazz);
}</pre></div><p>Let's go for c