Where I can learn free Java?

10 Best Websites to Learn Java Coding for FREE in 2022

Learn Functional Programming in Java In this freeCodeCamp YouTube course, you will learn about the properties of functional programming, callbacks, functional interfaces, combinator pattern, lambdas, and more.3 Oca 2022

FreeCodeCamp is a nonprofit organization committed to offering free coding courses to anyone who wants to learn how to code. The organization offers 10 certifications , each of which requires students to complete five projects.