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# JDiff - An HTML Report of API Differences

> JDiff is a Javadoc doclet which generates an HTML report of all the packages, classes, constructors, methods, and fields which have been removed, added or changed in any way, including their documentation, when two APIs are compared. This is very useful for describing exactly what has changed between two releases of a product. Only the API (Application Programming Interface) of each version is compared. It does not compare what the source code does when executed.

> It's great for reporting what has changed between two releases of your product! You can download the latest version from here, with a module name of `jdiff`. There is also an article originally published Java Developers Journal.

> Note: to eliminate the annoying `register.com` banner, after you choose a report from below, simply click on "No Frames" or "Frames".

## Documentation

## Sample Output

> Guava API changes. Guava is a Google project that contains several of Google's core Java libraries.
> Comparing J2SE1.4.2 and J2SE1.5.0b1. Report (KB, gzip'd tar) Download <-- -->
> Comparing J2SE1.4.0 and J2SE1.4.1. Report (13KB, gzip'd tar) Download
> Comparing J2SE1.4.0 and J2SE1.4.1 including documentation and statistics. Report (528KB, gzip'd tar) Download
> Comparing J2SE1.3.1 and J2SE1.4. Report (456KB, gzip'd tar) Download
> Comparing J2SE1.3.1 and J2SE1.4 including documentation and statistics. Report (2.9MB, gzip'd tar) Download
> Comparing J2SE1.3 and J2SE1.3.1 including documentation and statistics
> Comparing J2SE1.2 and J2SE1.3
> Comparing J2SE1.2 and J2SE1.3 including documentation and statistics

Copyright © 2001-2010 Matthew B. Doar
JDiff is licensed under the LGPL.