Java Class File Editor 2.23



Publisher Description



Open a Java class file binary to view or edit strings, attributes, methods and generate readable reports similar to the javap utility. In built verify checks changes before saving the file. Easy to use Java Swing GUI.
This is a tool to open Java class file binaries, view their internal structure, modify portions of it if required and save the class file back. It also generates readable reports similar to the javap utility. Easy to use Java Swing GUI. The user interface tries to display as much detail as possible and tries to present a structure as close as the actual Java class file structure. At the same time ease of use and class file consistency while doing modifications is also stressed. For example, when a method is deleted, the associated constant pool entry will also be deleted if it is no longer referenced. In built verifier checks changes before saving the file. This tool has been used by people learning Java class file internals. This tool has also been used to do quick modifications in class files when the source code is not available.
Some broad level requirements that this tool is based on are:
Intuitive Graphical User Interface: The user interface should be clean and intuitive. Screens should not be crowded. Components like tab panels should be used wherever appropriate to reduce screen clutter.
Clear separation for the Novice and Power User: The features should be so arranged that the novice user can reach the required option easily, while all features are available for the power user deeper down the screen hierarchy.
Cascading changes: The core engine should be able to detect cascading changes if any and confirm all changes before proceeding.
Consistency check: Consistency check should be provided. Providing this check at all stages might not be feasible. To handle such cases the user should be given control to do this check optionally.
Facility to switch off consistency check: Why on earth would somebody want this? Well, to test the Java Virtual Machine itself, to see how well it stands up to errors in the class file. The Java compiler would never produce an invalid class file. This is probably the only way to do it.
Creating fresh classes: It should be possible to create classes out of scratch using this tool. This will serve as a useful tool for learning the Java Virtual Machine instructions.
Facility to examine compiler specific attributes: Some compilers put attributes specific to their product to facilitate debugging and other product specific features. For example, the compiler might embed an entry to the source file browser file or may be a line number attribute in the class method descriptions. This utility should be able to detect, display and manipulate such features wherever possible.


About Java Class File Editor

Java Class File Editor is a free software published in the Other list of programs, part of Development.

This program is available in English. It was last updated on 25 March, 2018. Java Class File Editor is compatible with the following operating systems: Other.

The company that develops Java Class File Editor is classeditor.sf.net. The latest version released by its developer is 2.23. This version was rated by 75 users of our site and has an average rating of 2.3.

The download we have available for Java Class File Editor has a file size of . Just click the green Download button above to start the downloading process. The program is listed on our website since 2004-03-21 and was downloaded 13,792 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded software with your antivirus. Your antivirus may detect the Java Class File Editor as malware if the download link is broken.

How to install Java Class File Editor on your Windows device:

  • Click on the Download button on our website. This will start the download from the website of the developer.
  • Once the Java Class File Editor is downloaded click on it to start the setup process (assuming you are on a desktop computer).
  • When the installation is finished you should be able to see and run the program.



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Users Rating:  
  2.3/5     75
Downloads: 13,792
Updated At: 2018-03-25
Publisher: classeditor.sf.net
Operating System: Other
License Type: Free