Please where is this documented?

Question

hi,
I have seen people write code like this below, where you have ".class" as a field? of all objects?
This isn't in the API of Object, and I can't find where it is documented! does anyone know where it came from?
thanks,
asjf
class What
     public static void main(String [] arg)
          System.out.println(Object.class);
}

Answer 1

<class>.class is defined as a class literal. It is the equivalent
of the pre-fixed class's getClass() method. It is
useful for primitive types(int, char, long, etc) when
using the Reflection Api with Class.getDeclaredMethod(String,
Class clazz[]) where clazz is an array of the parameters
to the method. The class literal is the only way I know of
that can access the Class of primitives.