JAD不为我工作(Ubuntu 11.10问题)，所以我已经前进和浸泡在JODO。至少它有Open Java源代码，并且能够正确地反编译我的.class。

我建议先查看“分支/通用”分支。树干不稳。

你可以使用一些程序。您将得到实际的Java代码，但有时代码会被混淆，因此方法由一个字母或数字或字母和数字的随机组合命名。

DJ解码器 摩卡

我尝试了几种，Procyon似乎最适合我。它正在积极开发中，支持最新版本Java的许多特性。

以下是我尝试过的其他方法:

CFR Promising, but often failed method decompilation. I'll be keeping my eye on this one. Also actively developed with support for the latest Java features. Krakatau Takes a different approach in that it tries to output equivalent Java code instead of trying to reconstruct the original source, which has the potential of making it better for obfuscated code. From my testing it was roughly on par with Procyon, but still nice to have something different. I did have to use the -skip command-line flag so it wouldn't stop on errors. Actively developed, and interestingly enough it's written in Python. JD-GUI Worked, but Procyon's output was much better. Here's a page comparing Procyon output to the original and JD-GUI. JD-GUI is also available as an Eclipse plugin, which didn't work for me at all. Doesn't seem to be open source and development seems sporadic. JAD Worked, but only supports Java 1.4 and below. Also available as an Eclipse plugin. No longer under development.

到目前为止列出的JAD链接似乎都是坏的，所以我找到了这个网站。工作得很好(至少对于Linux)!在Ubuntu 11.10上，不知什么原因，我不得不下载静态版本。

http://www.varaneckas.com/jad

如果你想知道Java编译器是如何做某些事情的，你不想要反编译，你想要的是反汇编。反编译涉及到将字节码转换为Java源代码，这意味着会丢失大量低级信息，如果您想了解编译器优化，那么这可能正是您感兴趣的信息。

不管怎样，我碰巧写了一个开源Java反汇编程序。与Javap不同的是，这甚至适用于高度病态的类，因此您可以看到混淆工具对您的类做了什么。它还可以进行反编译，尽管我不推荐这样做。

对于OSX，我建议使用jarzilla或JD-GUI

它们都允许你查看罐子、战争等。文件内容并反编译其中的任何类文件。

Jarzilla: https://code.google.com/p/jarzilla/ JD-GUI: http://jd.benow.ca/