question: void invokeReadObjectNoData ( Object obj ) throws IOException , UnsupportedOperationException { requireInitialized ( ) ; if ( readObjectNoDataMethod != null ) { try { readObjectNoDataMethod . invoke ( obj , ( Object [ ] ) null ) ; } catch ( InvocationTargetException ex ) { Throwable th = ex . getTargetException ( ) ; if ( th instanceof ObjectStreamException ) { throw ( ObjectStreamException ) th ; } else { throwMiscException ( th ) ; } } catch ( IllegalAccessException ex ) { throw new InternalError ( ex ) ; } } else { throw new UnsupportedOperationException ( ) ; } }
target:  Invokes the readObjectNoData method of the represented serializable class.  Throws UnsupportedOperationException if this class descriptor is not associated with a class, or if the class is externalizable, non-serializable or does not define readObjectNoData.