While the basic course is free and great for getting started, they also have a ‘Pro’ version if you want to dig deeper. It’s ...

Build your Java skills from the ground up by working on simple tasks and beginner-friendly projects. Challenge yourself with more complex Java problems, including those focused on multithreading and ...

Built-in IDE: Code directly in the browser without needing to set up a local environment.

Dive into Java-specific coding challenges on HackerRank, covering a wide range of topics from data structures to algorithms. Sharpen your Java skills while tackling real-world problems. Codewars is a ...