blocks|key|3080744|text|以下是一些在线链接：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3080745|A+few+chapters+form+Colin+Moock's+DVD+series|offset|length|3080746|Getting+started+with+ActionScript3|3080747|Language+reference|3080748|如果你真的很想读这本书，我强烈推荐你去看看科林·穆克的书“Essential+ActionScript+3.0”，我认为这是你能买到的最好的书。|3080749|享受吧！|3080750|entityMap|0|LINK|mutability|MUTABLE|url|http://www.adobe.com/devnet/actionscript/articles/lost_as_weekend.html|1|http://help.adobe.com/en_US/as3/learn/WS5b3ccc516d4fbf351e63e3d118a9b8cf79-8000.html|2|http://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/index.html?filter_flash=cs5&filter_flashplayer=10.2&filter_air=2|3|https://rads.stackoverflow.com/amzn/click/com/0596526946^0|0|0|18|0|0|0|Y|1|0|0|I|2|0|T|Q|3|0|0^^$0|@$1|2|3|4|5|6|7|11|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|12|8|@]|9|@$D|13|E|14|1|15]]|A|$]]|$1|F|3|G|5|6|7|16|8|@]|9|@$D|17|E|18|1|19]]|A|$]]|$1|H|3|I|5|6|7|1A|8|@]|9|@$D|1B|E|1C|1|1D]]|A|$]]|$1|J|3|K|5|6|7|1E|8|@]|9|@$D|1F|E|1G|1|1H]]|A|$]]|$1|L|3|M|5|6|7|1I|8|@]|9|@]|A|$]]|$1|N|3|-4|5|6|7|1J|8|@]|9|@]|A|$]]]|O|$P|$5|Q|R|S|A|$T|U]]|V|$5|Q|R|S|A|$T|W]]|X|$5|Q|R|S|A|$T|Y]]|Z|$5|Q|R|S|A|$T|10]]]]

Here are some online links:

<a href="http://www.adobe.com/devnet/actionscript/articles/lost_as_weekend.html" rel="nofollow noreferrer">A few chapters form Colin Moock's DVD series</a> 
<a href="http://help.adobe.com/en_US/as3/learn/WS5b3ccc516d4fbf351e63e3d118a9b8cf79-8000.html" rel="nofollow noreferrer">Getting started with ActionScript3</a> 
<a href="http://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/index.html?filter_flash=cs5&amp;filter_flashplayer=10.2&amp;filter_air=2" rel="nofollow noreferrer">Language reference</a> 

If you are really serious about getting into it, I highly recommend picking up Colin Moock's book <a href="https://rads.stackoverflow.com/amzn/click/com/0596526946" rel="nofollow noreferrer" rel="nofollow noreferrer">Essential ActionScript 3.0</a> I think its the best book you can buy.

Enjoy!

blocks|key|1013973|text|AS3没有什么不同，除了语法上的细微差别，以及它是一种更具动态性的语言。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1013974|1013975|它是面向对象的|unordered-list-item|1013976|它支持类和接口|1013977|它有实例vs+static+modifiers|1013978|etc..|1013979|所有的可见性and|1013980|几个不同之处：|1013981|它支持函数式编程(您可以传递函数，因为parameters)|1013982|you可以引用对象字段，即使您不确定它们在编译时是否存在。|1013983|)(如果我在这里错了，有人纠正我-这是2年前我最后一次写AS3)|1013984|1013985|1013986|我也在同样的情况下--+Java背景，并且需要非常快速地学习AS3。没有任何问题，除了一些小问题，比如|1013987|1013988|如果您通过接口引用对象，则需要强制转换为对象。|1013989|默认组件不使用全功能的观察者模式，有时需要it.|1013990|exception处理，这一事实一开始有点奇怪。|1013991|1013992|总而言之，即时学习对我来说效果很好。|1013993|entityMap^0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|1B|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|1C|8|@]|9|@]|A|$]]|$1|C|3|D|5|E|7|1D|8|@]|9|@]|A|$]]|$1|F|3|G|5|E|7|1E|8|@]|9|@]|A|$]]|$1|H|3|I|5|E|7|1F|8|@]|9|@]|A|$]]|$1|J|3|K|5|E|7|1G|8|@]|9|@]|A|$]]|$1|L|3|M|5|6|7|1H|8|@]|9|@]|A|$]]|$1|N|3|O|5|6|7|1I|8|@]|9|@]|A|$]]|$1|P|3|Q|5|6|7|1J|8|@]|9|@]|A|$]]|$1|R|3|S|5|E|7|1K|8|@]|9|@]|A|$]]|$1|T|3|U|5|E|7|1L|8|@]|9|@]|A|$]]|$1|V|3|-4|5|6|7|1M|8|@]|9|@]|A|$]]|$1|W|3|-4|5|6|7|1N|8|@]|9|@]|A|$]]|$1|X|3|Y|5|6|7|1O|8|@]|9|@]|A|$]]|$1|Z|3|-4|5|6|7|1P|8|@]|9|@]|A|$]]|$1|10|3|11|5|E|7|1Q|8|@]|9|@]|A|$]]|$1|12|3|13|5|E|7|1R|8|@]|9|@]|A|$]]|$1|14|3|15|5|E|7|1S|8|@]|9|@]|A|$]]|$1|16|3|-4|5|6|7|1T|8|@]|9|@]|A|$]]|$1|17|3|18|5|6|7|1U|8|@]|9|@]|A|$]]|$1|19|3|-4|5|6|7|1V|8|@]|9|@]|A|$]]]|1A|$]]

There is nothing different in AS3 except minor syntax differences, and that fact that it's a bit more dynamic language.

<ul>
<li>it is object oriented</li>
<li>it supports classes and interfaces</li>
<li>it has instance vs static methods/fields</li>
<li>it has all the visibility modifiers</li>
<li>etc..</li>
</ul>

A few differences:

<ul>
<li>it supports functional programming (you can pass functions as parameters)</li>
<li>you can refer to object fields even if you are not sure they exist at compile time. (somebody correct me if I'm wrong here - it was 2 years ago I last wrote AS3)</li>
</ul>

I was in the same situation - Java background, and the need to learn AS3 very quickly. Didn't have any problems, apart from a few small things, like 

<ul>
<li>the need to cast to Object if you are referring to an object by interface. </li>
<li>the fact that default components do not use a full-featured observer pattern, and sometimes you need it.</li>
<li>exception handling is a bit weird at first.</li>
</ul>

To conclude - learning on-the-fly worked fine for me.

blocks|key|4681015|text|如果您了解任何编程语言的基础知识--数据类型、函数、条件语句、循环、运算符等等，那么用AS3编程并不困难。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4681016|根据我的经验，比起教程，最好的帮助就是实践。作为程序员，我们经常觉得有必要先自己尝试一下，以便更好地学习。相信我，一旦你开始练习，它就不会那么难了，你会开始注意到AS3与Java的相似之处。|4681017|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|F|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|G|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|H|8|@]|9|@]|A|$]]]|E|$]]

If you know the basics of any programming language - Datatypes, Functions, Conditional statements, loops, operators and so on, it is not difficult to program in AS3. 

In my experience, more than tutorials the best help has been practice. As programmers, we often feel the need to first try it out ourselves to learn better. Believe me, once you start practicing, it wouldn't be so difficult and you will start noticing the similarities AS3 has with Java.

blocks|key|1856454|text|实际上，我的情况正好相反，在学习Java的同时，我还是一名长期的AS3开发人员。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1856455|有趣的是，你发现了很多不同之处，因为我实际上找到了相似之处。最不同的可能是|1856456|1856457|AS3的函数是一流的对象，因此可以传递|unordered-list-item|1856458|+AS3中的时间测量在很大程度上依赖于ENTER_FRAME事件的概念(虽然你确实有能力创建Timer对象，但屏幕更新发生得尽可能接近ENTER_FRAME间隔)。|1856459|你不想在AS3中“休眠”执行(不管你认为你有多大可能)，因为Flash非常希望能够继续渲染屏幕。任何会阻止代码执行的事情(例如，可能在一千万次for循环迭代中翻滚)都会阻止渲染器进行更新。|1856460|闪存是单线程的，虽然你可以用Timer对象模拟线程(也许是一个好主意，也可能不是一个好主意。除非您使用计时器来中断一个长得离谱的进程的执行，否则您根本得不到任何性能上的好处)。|1856461|1856462|至于相似性|1856463|1856464|类型系统是可选的，但鼓励使用(除了使用不同的syntax).|1856465|They，它们都有单继承/多接口样式的OOP之外，非常像Java的类型系统)。|1856466|1856467|它们的类都有相同的包结构样式。它们都有异常的概念，尽管在中你可以认为所有的异常都是RuntimeExceptions的，没有检查异常。|1856468|1856469|至于教程网站，这取决于你真正想要用Flash做什么。你是不是更想做游戏了？RIAs？|1856470|entityMap^0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|13|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|14|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|15|8|@]|9|@]|A|$]]|$1|E|3|F|5|G|7|16|8|@]|9|@]|A|$]]|$1|H|3|I|5|G|7|17|8|@]|9|@]|A|$]]|$1|J|3|K|5|G|7|18|8|@]|9|@]|A|$]]|$1|L|3|M|5|G|7|19|8|@]|9|@]|A|$]]|$1|N|3|-4|5|6|7|1A|8|@]|9|@]|A|$]]|$1|O|3|P|5|6|7|1B|8|@]|9|@]|A|$]]|$1|Q|3|-4|5|6|7|1C|8|@]|9|@]|A|$]]|$1|R|3|S|5|G|7|1D|8|@]|9|@]|A|$]]|$1|T|3|U|5|G|7|1E|8|@]|9|@]|A|$]]|$1|V|3|-4|5|G|7|1F|8|@]|9|@]|A|$]]|$1|W|3|X|5|G|7|1G|8|@]|9|@]|A|$]]|$1|Y|3|-4|5|6|7|1H|8|@]|9|@]|A|$]]|$1|Z|3|10|5|6|7|1I|8|@]|9|@]|A|$]]|$1|11|3|-4|5|6|7|1J|8|@]|9|@]|A|$]]]|12|$]]

I'm actually in the opposite situation, learning Java while being a long-time AS3 developer. 

It's interesting that you're finding a lot of differences, as I'm actually finding similarities. The things that are probably most different are that 

<ul>
<li>AS3 has functions that are first class objects, and thus can be passed around</li>
<li>Time measurement in AS3 is heavily dependent on the concept of the ENTER_FRAME event (though you do have the ability to create Timer objects, screen updates happen as close as possible to the ENTER_FRAME interval).</li>
<li>You do NOT want to "sleep" execution in AS3 (no matter how much you think you might) as Flash wants very badly to be able to keep rendering the screen, and anything that would prevent code from executing (such as perhaps churning through a ten-million iteration for-loop) will stop the renderer from updating. If this continues past 15 seconds, "bad things" will happen.</li>
<li>Flash is single-threaded, though you can simulate threads with Timer objects (maybe or maybe not a good idea. You gain no performance benefits at all from this, unless you use the timer to chop up execution of a ridiculously long process).</li>
</ul>

As for similarities

<ul>
<li>The type system is optional, but encouraged (and very much like Java's, except with different syntax).</li>
<li>They both have single inheritance / multiple interface style OOP.</li>
<li>They both have the same style of package structure for their classes</li>
<li>They both have a notion of Exceptions, though in Flash you can think of all exceptions as being RuntimeExceptions and there is no such thing as a checked exception.</li>
</ul>

As far as tutorial sites, that depends on what you really want to do with Flash. Are you looking more at doing games? RIAs?

I am a Java developer. I am good at learning new languages but I can't make head or tail of AS3. It seems like a different mindset that I can't get into or something.

Could you provide links a AS3 tutorials that explain everything well, preferable targeted for people who have already programmed?

Thanks so much.

Method to learn Flash AS3 for a Java developer?

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我是一名Java开发人员。我擅长学习新的语言，但对AS3一窍不通。这似乎是一种我无法进入的不同的心态。你能提供一个AS3教程的链接，很好地解释一切，最好是针对那些已经编程的人吗？非常感谢。

问学习AS3的方法为Java开发人员？
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