Method access in ax 2012

 Public:

                These methods can be used from any methods where the class

is accessible and can also be overridden by classes that extend this class

(Sub classes). If no access modifiers are explicitly written in the code, the

Compiler assumes that they are public and handles them accordingly.

Default behavior for classes and methods. A public class can be inherited

And class methods can be overridden in sub classes and called outside the

Class.

 Protected:

               These methods can be used from any methods in the same class

Or subclass. Only methods can be protected. A protected method can overridden in

Sub classes, but can only be used inside the class hierarchy

Private:

               These methods can only be used from any methods in the same class

both classes and methods can be set as private. However this will only affects methods. A private method can only be used within the current class.