ProGuard

ProGuard

ProGuard is a free Java class file shrinker and obfuscator. It candetect and remove unused classes, fields, methods, and attributes. Itcan then rename the remaining classes, fields, and methods using shortmeaningless names. The resulting jars are smaller and harder toreverse-engineer.

某社に試してみてもらったところ、RetroGuard ならちゃんと動いたものだが、ProGuard だと動かねぇとかあったようだ。ステ。