The JXTable component is part of the SwingX (https://swingx.dev.java.net) project. The intention of SyntheticaAddons is to support the complete SwingX project.

Simply click on the table header to activate sorting for the specified column. Additional documentation can be found here: http://wiki.java.net/bin/view/Javadesktop/SwingLabsSwingXJXTableHowTo