If(predetermined situtation); statement?

a.mlw.walker:
I think you are wanting from the way you worded that:

boolean movingForwardRight = FALSE;

if ((x > xx     &&     x < xz)     &&     (y > yy     &&    y < yz))
     {
          movingForwardRight = TRUE;  
    }

Or simply:

boolean movingForwardRight  = (x > xx     &&     x < xz)     &&     (y > yy     &&    y < yz);