[wvxvw]

class First {
	private var n:Number;
	function First(_n:Number){
		__n = _n;
	}
	function set __n(i:Number):Void {
		this.n = i;
	}
	function get __n():Number {
		return this.n;
	}
}

class Second extends First {
	function Second(n:Number){
		super();
		__n = n;
	}
	function set __n(i:Number):Void {
		this.n = i;
	}
	function get __n():Number {
		return this.n;
	}
}

var _l1:First = new First(10);
var _l2:Second = new Second(20);
trace(_l1.__n); // 10
trace(_l2.__n); // 20

have fun!