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proguard: Java class file shrinker, optimizer, obfuscator, and preverifier

(auf gut Glück)		(meist engl.)		(falls vorhanden)

Zusammenfassung (meist engl.)

ProGuard is a free Java class file shrinker, optimizer, obfuscator, and preverifier. It detects and removes unused classes, fields, methods, and attributes. It optimizes bytecode and removes unused instructions. It renames the remaining classes, fields, and methods using short meaningless names. Finally, it preverifies the processed code for Java 6 or for Java Micro Edition. Some uses of ProGuard are: - Creating more compact code, for smaller code archives, faster transfer across networks, faster loading, and smaller memory footprints. - Making programs and libraries harder to reverse-engineer. - Listing dead code, so it can be removed from the source code. - Retargeting and preverifying existing class files for Java 6, to take full advantage of Java 6's faster class loading. - ProGuard's main advantage compared to other Java obfuscators is probably its compact template-based configuration. A few intuitive command line options or a simple configuration file are usually sufficient. For instance, the following configuration option preserves all applets in a jar: -keep public class * extends java.applet.Applet The user manual explains all available options and shows more examples of this powerful configuration style. ProGuard is fast. It only takes seconds to process programs and libraries of several megabytes. The results section presents actual figures for a number of applications. ProGuard is a command-line tool with an optional graphical user interface.