Update free-courses-en.md (#10358)

* Update free-courses-en.md

Add Free Course Learn Java Programming

* Update courses/free-courses-en.md

add sugesstion

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

* Update free-courses-en.md

re-arrange alphabetic

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

courses/free-courses-en.md

@@ -857,6 +857,7 @@
 * [Learn how to program: Java](https://www.learnhowtoprogram.com/java-june-2017) - Epicodus Inc.
 * [Learn Java](https://www.sololearn.com/learning/1068) - Sololearn *(email address required)*
 * [Learn Java Programming](https://www.programiz.com/java-programming) - Programiz
+* [Learn Java Programming - Java for Testers and Developers](https://www.udemy.com/course/learn-java-programming-a/) - Pavan Kumar (Udemy)
 * [Most Asked Core Java Frequently Asked Questions](https://www.youtube.com/playlist?list=PLyHJZXNdCXscoyL5XEZoHHZ86_6h3GWE1) - Code Decode
 * [Object Oriented Programming (OOP) In Java Course](https://www.youtube.com/playlist?list=PL9gnSGHSqcno1G3XjUbwzXHL8_EttOuKk) - Kunal Kushwaha
 * [Object-Oriented programming with Java, part I](https://moocfi.github.io/courses/2013/programming-part-1/)