FREE RESOURCES!
Books:
- Extensive list of books on many languages, lots of Java.
- You_don’t_know_JS (series of books on JavaScript).
- Think_Java: How to think like a Computer Scientist. A free pdf/book encompassing all things Java.
- Java_Notes_for_Professionals: 180 chapters!
- Introduction_to_Programming_Using_Java
- Microservices_for_Java_Developers
- Object-Oriented_vs_Functional_Programming
-Thinking_in_Java: older but still good
- Head_First_Java: I have this book, I personally didn’t love it but some do.