flash action 为什么不正确

class Person
{ private var name:String;
public function Person(n:String)
{name=n;}
public function get useName()
{return name;
}
}
//////////////////
class Teacher extends Person
{ private var position:String;

public function Teacher(n:String,p:String)
{super(n);
position=p;
}
public function jobDesctibed():Void
{trace ("i am a "+name+"and my position is "+position);
}
}

class MathTeacher extends Teacher

{public function MathTeacher(n:String,p:String)
{super(n,p);}

public function detailDescribed():Void

{ trace("and I am a math teacher\n");
}
}

flash编程，action代码 flash action 为什么不正确 怎么样学好FLASH中的ACTION? fLash中Action脚本如下： flash action script 可以声明常量吗？ Flash action"FSCommand"意义是 关于flash action script 请高手帮忙!!! 有关Flash Action Script的问题 Flash中的Action Script是怎么回事 高手进！ flash中action面板里面的编程是什么语言啊？