jardiff software package provides tool to visualise API differences between two JAR files, you can install in your Ubuntu 12.04 LTS (Precise Pangolin) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install jardiff
jardiff is installed in your system.
Make ensure the jardiff package were installed using the commands given below,
$ sudo dpkg-query -l | grep jardiff *
You will get with jardiff package name, version, architecture and description in a table
| Distro | Ubuntu 12 04 lts precise pangolin |
| Section | Utilities |
| Package | jardiff |
| Version | 0.2-3 |
| Description | tool to visualise API differences between two JAR files |
| Sub Section | Utils |