The lecture recordings are available under the course name "Introduction to Java Programming (2018-2019)[SV1-SEM1]" which should appear in your page for the University's Learn system. Note that this is the "on campus" version of the course - all students should be able to access this (even distance students) and the videos are only available under this course code. Direct links to the videos do not work reliably.
I'm sorry this has to be so awkward.
Assignment1 - Getting started - 4:36mins
Assignment1 - The resource file - 4:01mins
Assignment1 - Testing - 4:19mins
Assignment2 videos (JavaFx)
JavaFx - SceneBuilder - 3:11mins
JavaFx - In a Java program - 4:11mins
JavaFx - Reacting to input - 3:30mins
JavaFx - Accessing GUI elements - 3:00mins
JavaFx - Styling - 2:40mins
JavaFx - Layout - 3:00mins
JavaFx - Menus - 4:30mins
JavaFx - Images - 3:30mins
(Code is available for the examples: JavaFxDemos.zip)
There are also some very good JavaFx videos online, including this introduction:
These videos by Sean Hammond are rather old and refer to the (old) 4th edition of the book. I have been considering removing these, so I would be interested to know whether you find them useful or not - please do email me and let me know when you think.
The authors of the BlueJ textbook have recorded a video to accompany each chapter of the book: