Adding Java YT course for beginners (#8867)

* Addign Java YT course for beginners

* Update courses/free-courses-en.md

Co-authored-by: Eric Hellman <eric@hellman.net>

courses/free-courses-en.md

@@ -767,6 +767,7 @@
 * [Java Programming: Solving Problems with Software](https://www.coursera.org/learn/java-programming) (Coursera)
 * [Java Server Tutorials - Happy Coding](https://happycoding.io/tutorials/java-server/) - Kevin Workman
 * [Java tutorial for beginners](https://youtube.com/playlist?list=PLZPZq0r_RZOMhCAyywfnYLlrjiVOkdAI1) - Bro Code (YouTube)
+* [Java Tutorial for Beginners](https://www.youtube.com/watch?v=eIrMbAQSU34) - Programming with Mosh
 * [Java Tutorial For Beginners](https://youtube.com/playlist?list=PLsyeobzWxl7oZ-fxDYkOToURHhMuWD1BK) - Telusko (YouTube)
 * [Java Tutorial for Complete Beginners](https://www.udemy.com/course/java-tutorial/) - John Purcell (Udemy)
 * [JSP (Java server pages) and servlet basics](https://www.udemy.com/course/jsp-servlet-free/) - StudyEasy Organisation, Chaand Sheikh (Udemy)