Array Flash ActionScript

package{
  import flash.display.Sprite;
  
  public class Main extends Sprite{
    public function Main(){
        var aEmployeesExec:Array = ["A", "P", "C", "H"];
        var aEmployeesNew:Array = ["G", "M"];
        var aEmployeesStaff:Array = ["A", "R"];
        var aEmployeesAll:Array = aEmployeesExec.concat(aEmployeesNew, aEmployeesStaff);
        trace(aEmployeesAll.toString());
    }
  }
}
//A,P,C,H,G,M,A,R