First time here? First time here? Newsletter Signup Newsletter
Login | Register | 651326 Members and growing!
Search tutorials
Author: Kortex | Website:

Access Modifiers

Access modifiers control who (in terms of classes and code) can access what. There are several levels of access modifiers represented by the following keywords:

In AS 3:

  1. internal (default) - Can be accessed from within the same package.
  2. private - Can only be accessed by the class that defines it.
  3. public - Can be accessed any where.
  4. protected - Can be accessed in the class that defines and any class that extends that class.

Click here for a more detailed explanation of these from Adobe's site (look for the Encapsulation heading).

In AS 2 basically the same ones existed, but they were not really enforced all that well and the default is to public.

I am not going to explain everything about access modifiers here. What I want to get across is the idea that a class that extends another class has access based upon the access modifers in the class that it is extending. So lets look at this a bit more.

If in class Father we set the modifier to:

private var _surName:String = "Smith" then trace(kid._surName) would result in the following error (AS 3): The member is private and cannot be accessed.

Any of the other access modifiers (making the assumption Father and Son are in the same package) would allows us to do what we did.

» Level Intermediate

Added: 2007-12-10
Rating: 9 Votes: 5
(10 being the highest)
» Author
Kortex (aka Jeremy Wischusen) is a Flash/PHP developer for and the lead software architect for the DigitallyU Digital Portfolio Software Suite.
» Download
Download the files used in this tutorial.
» Forums
More help? Search our boards for quick answers!


  • There are no comments yet. Be the first to comment!

  • You must have javascript enabled in order to post comments.

Leave a Comment
  • Your email address will not be published. All fields are required.
Featured Flash FLA
» Author: work2survive
» Title: Girl Walking 1kb
» Description: Walking girl, animation just takes 1kb, using high heels shoes, and fashion model attitude.
Featured Sound Loops
Image for equalize

Audio Player

» Author: BoxCat
» Title: CPU Talk
» Description: From the cyberpunk RPG, "Nameless: the Hackers" Completely Free to use! Keywords: edm hip hop rap electronic mysterious mission hacking chase exciting spy ios ambient chilling love happy sad angry suspense
Latest Font
» Author: Fábio FAFERS
» Description: I created this font for free use. Everyone can apply it in personal or business texts. Its free, but I want to be communicated in case of business use. Donations are accepted to keep the project of free fonts alive! Thank you all
Featured Sound Fx
Image for equalize

Audio Player

» Author: nathan
» Description:

A recorded sound of the Dimensional Fork Gate.