Projects / Runtime Java Class Editor

Runtime Java Class Editor

RJCE enables the editing of any method at runtime, applying the changes to any combination of objects, such as an array, or a complete class. It consists of a compiler, javaprec, and an IDE, Runtime Object Modifier (ROM). javaprec is used to compile programs, enabling runtime editing, and uses both and ANLTR for compilation. ROM is a JFrame used for editing methods, browsing classes, and viewing variables at runtime. It also includes an interpreter that runs Java scripts (which circumvent normal language access control) and is run from within any Java program. Aspects are also incorporated into RJCE, to enhance runtime editing.

Operating Systems

Recent releases

  •  03 Sep 2003 21:41

    Release Notes: Many bugs have been fixed. This releaes includes much better, easier instructions (that actually work, unlike the previous instructions).

    •  31 Aug 2003 09:11

      Release Notes: This version fixes many (over 10 major) bugs including find and replace, syntax colouring, and editing in class and group mode. javaprec was finished, with final features and more debugging.

      •  29 Aug 2003 15:34

        No changes have been submitted for this release.


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