Update free-courses-en.md (#8136)

courses/free-courses-en.md

@@ -630,6 +630,7 @@
 * [Java Programming](https://java-programming.mooc.fi) - University of Helsinki
 * [Java Programming](https://youtube.com/playlist?list=PLBlnK6fEyqRjKA_NuK9mHmlk0dZzuP1P5) - Neso Academy
 * [Java Programming Basics](https://www.udacity.com/course/java-programming-basics--ud282) - Cezanne Camacho, Asser Samak (Udacity) (account *required*)
+* [Java Programming Basics](https://www.udemy.com/course/java-programming-basics/) - Charles Mulic (Udemy)
 * [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)