libswt-gtk-3-java-gcj software package provides Standard Widget Toolkit for GTK+ native library, 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 libswt-gtk-3-java-gcj
libswt-gtk-3-java-gcj is installed in your system.
Make ensure the libswt-gtk-3-java-gcj package were installed using the commands given below,
$ sudo dpkg-query -l | grep libswt-gtk-3-java-gcj *
You will get with libswt-gtk-3-java-gcj package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Java |
| Package | libswt-gtk-3-java-gcj |
| Version | 3.8.2-3 |
| Description | Standard Widget Toolkit for GTK+ native library |
| Sub Section | Java |