libidw-java software package provides InfoNode Docking Windows (similar to JInternalFrames), you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libidw-java
libidw-java is installed in your system.
Make ensure the libidw-java package were installed using the commands given below,
$ sudo dpkg-query -l | grep libidw-java *
You will get with libidw-java package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Java |
| Package | libidw-java |
| Version | 1.6.1-1 |
| Description | InfoNode Docking Windows (similar to JInternalFrames) |
| Sub Section | Java |