Vector class versus Array class 2

/**
 * Copyright Fumio ( http://wonderfl.net/user/Fumio )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/zw5K
 */

package {
	import flash.display.Sprite;
	import flash.utils.getTimer;
	import flash.text.TextField;
	[SWF(width = "240",height = "180")]
	public class Vector_vs_Array extends Sprite {
		private const MAX_NUMBER:int = 10000000;
		private var my_array:Array = new Array();
		private var myVector:Vector.<int> = new Vector.<int>();
		private var myVectorLength:Vector.<int >  = new Vector.<int > (MAX_NUMBER, false);
		private var myVectorFixed:Vector.<int >  = new Vector.<int > (MAX_NUMBER, true);
		private var i:int;
		private var started:int;
		private var my_txt:TextField = new TextField();
		private var label_txt:TextField = new TextField();
		public function Vector_vs_Array() {
			// Creating a TextField for display
			createTextField();
			// Starting Test
			testArray();
			testVector();
			testVectorLength();
			testVectorFixed();
		}
		private function testArray():void {
			started = getTimer();
			for (i = 0; i < MAX_NUMBER; i++) {
				my_array[i] = i;
			}
			xTrace(getTimer() - started);
		}
		private function testVector():void {
			started = getTimer();
			for (i = 0; i < MAX_NUMBER; i++) {
				myVector[i] = i;
			}
			xTrace(getTimer() - started);
		}
		private function testVectorLength():void {
			started = getTimer();
			for (i = 0; i < MAX_NUMBER; i++) {
				myVectorLength[i] = i;
			}
			xTrace(getTimer() - started);
		}
		private function testVectorFixed():void {
			started = getTimer();
			for (i = 0; i < MAX_NUMBER; i++) {
				myVectorFixed[i] = i;
			}
			xTrace(getTimer() - started);
		}
		private function createTextField():void {
			addChild(my_txt);
			addChild(label_txt);
			my_txt.x +=  80;
			label_txt.text = "Array:\nVector:\nVector (length):\nVector (fixed):";
}
		private function xTrace(n:int):void {
			my_txt.appendText(String(n) + "\n");
		}
	}
}