Spring retVal = y; if ((retVal == null) && (height != null) && (south != null)) { retVal = Spring.sum(south, Spring.minus(height)); } return retVal;
if (y != null) return y; else if ((v == null) && (height != null) && (south != null)) v = Spring.sum(south, Spring.minus(height)); return v;
    public Spring getY()    {      Spring retVal = y;      if ((retVal == null) && (height != null) && (south != null))        {          retVal = Spring.sum(south, Spring.minus(height));        }      return retVal;    }