Object item = aList.objectAtIndex(index);
Object item = index < aList.count() ? aList.objectAtIndex(index) : null;
    public void pushItem()  {        NSArray aList = list();        int index = currentCol+maxColumns()*currentRow;        Object item = aList.objectAtIndex(index);        setValueForBinding(item, "item");        setValueForBinding(ERXConstant.integerForInt(currentRow), "row");        setValueForBinding(ERXConstant.integerForInt(currentCol), "col");        setValueForBinding(ERXConstant.integerForInt(index), "index");        currentItemIndex++;    }