Hmmm....
so gehts:
int keyCode = e.getKeyCode();
if( e.getKeyCode() == KeyEvent.VK_DOWN )
y=y+5;
if( e.getKeyCode() == KeyEvent.VK_UP )
y=y-5;
if( e.getKeyCode() == KeyEvent.VK_LEFT )
x=x-5;
if( e.getKeyCode() == KeyEvent.VK_RIGHT )
x=x+5;