GRRRR about that one piece of code that evades you

I'm gonna rant a little 'cause I need to vent, stupid one method keeping me from going further right now.

I'm working on a final project for my A.I. class, and it's moving along decently, but I've hit that one little snag that I just can't seem to get working!! >.< I'm using a tile based game written in java with the slick2D library to compare the efficiency of several search algorithms in enemy units. All the info on the slick2D library only ever shows you how to do movement via keyboard, I need to write a method to move independently of any outside action. (even if it's just one tile) I just need a method to move a unit one tile, geez! I'm working on update methods with different logic to get it to work, maybe I just need a break for the night.