FLEX学习笔记1

最近开始学习FLEX，做好笔记

FLEX之helloworld:

package
{
	import flash.display.Sprite;

	public class lesson01 extends Sprite
	{
		public function lesson01()
		{
			trace("Hello FLEX!!!! I LOVE YOU");
			
			var str1:String = "Hello world" ;
			var str2:String = new String("Hello world");
			trace(str1);
			trace(str2);
			trace(str1==str2);
		}
	}
}

 变量声明：

用关键字var

基本数据类型：String,int ,uint,Number,Boolean,