跨移动平台共享代码
是否可以在多个移动平台（Android、BlackBerry、Symbian 等）之间共享 Java 应用程序（Android 是 Java SE（几乎兼容）、BlackBerry 是 JavaME 等）？
提前致谢。
编辑：
我不是在谈论 GUI，这是不可能的。
我还需要注意另一件事？即向量而不是列表。
线程？
内存管理？
存储管理？
上面提到的项目是我特别感兴趣的。
感谢大家的回答。
Is it possible to share a Java application across several mobile platforms (Android, BlackBerry, Symbian, etc) regarding of Android is a Java SE (almost compliant), BlackBerry is JavaME, etc?
Thanks in advance.
EDIT:
I'm not talking about GUI which it won't be possible.
There is another things which do I have to take care ?, i.e Vector instead of List.
Threads?
Memory management?
Storage management?
Items referred above is where my interest particularly is focused on.
Thanks all for your answers.
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只要代码与 JME（或多或少 Java SE 1.3）兼容并且仅使用兼容的库，您就可以保留代码。
您无法真正保留 GUI，几乎所有内容都必须重新编码。
总而言之，只要不使用最新 Java 版本的语法，您就可以保留大部分域对象，但其余部分则必须重写。
在我看来，最好的办法就是重写所有内容。
You can keep your code as long as it's compatible with JME (more or less Java SE 1.3) and it only uses libraries compatible.
You can't really keep your GUI and almost everything will have to be recoded.
To sum up, you can keep most of your domain objects as long as it doesn't uses syntax from last Java versions, but the rest will have to be rewritten.
The best thing to do is to rewrite everything IMO.