🚀 go-pugleaf

I was pondering this recently. I decided that perhaps the best way
was to prevent the users from creating the class itself, and 
providing a public method that creates my class and returns it as a
Component. That way, they can't add other components to it unless
they re-cast the class to a Container or Panel. I can't think of a 
way of stopping them from doing that.

Like this:

private class Calculator extends JPanel {
    public static Component makeMeOne() { return new Calculator (); }
...
}

Then the user does this:

    Component calc = Calculator.makeMeOne();
    myContainer.add(calc);


//---------------------------
Marcel van den Dungen wrote:
> 
> hi,
> 
> i am creating a class that extends Panel and has antoher panel and
> scrollbar laid out with the borderlayout. i want the users of this class
> to be unable to add other components, change the layout and other
> things. does anyone have a clue on how to achieve this, or is this
> inpossible for oop reasons?
> 
> hoping that someone can help me out
> tia
> greetings
> casper