How to get int value with reflection, without having any object

How may I get int value? I don't have object. http://ift.tt/1Dd1nQO I need to get this.d.as, what's way for that? Can someone put me on way? I tried everything, but I always stucked with object in all other tutorials, I saw people has object to for the field#get method, but I don't have object..