Java ActionListener and GUI review

Change the color of the application and move buttons around on the screen using an ActionListener with Eclipse WindowBuilder and by hand. Basic GUI code review follows. Table of Contents: 00:34 - Double-click in windowBuilder to add 00:50 - Think about structure in design! 01:02 - Clean up code - move listener to a method 03:32 - Anonymous inner class 04:02 - Empty actionPerformed == boring 04:29 - Call changePanelColor method 05:22 - Code the listener by hand 06:07 - Missing implementation of mandatory method 07:22 - Execute sample code 07:56 - General GUI code review 08:19 - Review of StringFrame class 08:50 - Review of StringPanel class