Strange syntax for instantiating an inner class

Question

I didn\'t imagine that I would encounter radically new syntax in Java anymore at this stage, but lo and behold, I just encountered something:

The exact context a

Answer 1

Your code would compile, had you typed

buttonClick(new Button().ClickEvent(button));

instead of

buttonClick(new Button.ClickEvent(button));

as a constructor is a method and when you call a method in Java you must pass the list of arguments, even when it is empty.