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Main criteria of Jad

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Jad is a Java decompiler, i.e. program that reads one or more
Java class files and converts them into Java source files which
can be compiled again.

Jad is a 100% pure C++ program and it generally works several times faster
than decompilers written in Java.

Jad doesn’t use the Java runtime for its functioning,
therefore no special setup is required (like changes to the CLASSPATH variable).

Jad can be used:

  • for recovering lost source codes;
  • for exploring the sources of Java runtime libraries;
  • as a Java disassembler;
  • as a Java source code cleaner and beautifier. just kidding

Jad expects that supplied Java class files are valid ones, i.e.
they can pass the Java Virtual Machine (JVM) verification successfully.

The Jad main features:

  • Enhanced readability of the generated source code.
  • Ability to comment Java source code with JVM
    bytecodes. Useful for verification and educational purposes.
  • Full support for inner and anonymous classes.
  • Fast decompilation and simple setup.
  • Automatic conversion of identifiers garbled by Java
    obfuscators into valid ones.
  • Free for non-commercial use. If you would like to
    use Jad for commercial purposes, please contact me for conditions.