Flash / Flex / ActionScript/Class/final

Class with final method

   <source lang="java">

public class A {

 final public function m (  ) {
 }

} public class B extends A { }

       </source>
   
  

Preventing Classes from Being Extended and Methods from Being Overridden

   <source lang="java">

final class A { } class B extends A { }

       </source>
   
  

Preventing Inheritance by using final keyword

   <source lang="java">

    

package {

   public final class Encrypter
   {
       public function encrypt(sourceText:String, key:String):String
       {
       }
   }

}

       </source>