J2ME games obfuscator - Spyro and Tekken 5

Question

While reversing some J2ME games like Spyro or Tekken 5 Mobile I have encountered a weird obfuscation where all fields, methods and classes have names like A, a, B, b, Aa, Bb etc.

It's really hard to read source code like that. Example method can look like this:

     public static void a(final boolean b) {
        f.b = b;
        if (!b && f.a != null) {
            try {
                f.a.stop();
            }
            catch (Exception ex) {}
            f.a = null;
        }
    }

Is there a way to restore original names or at least make this code more readable? I would be grateful for any tips.

Answer 1

No there isn't. You'll have to assign meangingful names yourself while reverse engineering.

Just be glad that even with names stripped, Java is far easier to reverse engineer than native binaries.

Answer 2

Maybe. If the Source File of the Classes are present you can reverse the Class names. Unfortunatly there are no ways to retrieve Methods and Fields names. The only thing that you can do for that is renaming the fields and methods with unique names to make the code more readable.