why a object's method could demand a class but not a object?

[mike]

regards:


why a object's method could demand a class but not a object?
...@@


Node [] images = parser.extractAllNodesThatAre(ImageTag.class);
^^^^^^^^^^^^^^^^^^

thank you
may god be with you

 

[Tor Iver Wilhelmsen]

Node [] images = parser.extractAllNodesThatAre(ImageTag.class);
^^^^^^^^^^^^^^^^^^

That's not a class name, but a reference to the _object_ (an instance
of java.lang.Class) that represents (is "metaclass" of) the class
ImageTag.