I don’t see concurrency in practice becoming irrelevant. It teaches you a lot about general concurrency patterns, locks, deadlocks, synchronization etc. You should definitely read it. More on reddit.com

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Concurrency: https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/concurrent/package-summary.html More on reddit.com

It seems that you are looking for resources for learning Java. In our sidebar ("About" on mobile), we have a section "Free Tutorials" where we list the most commonly recommended courses. To make it easier for you, the recommendations are posted right here: MOOC Java Programming from the University of Helsinki Java for Complete Beginners accompanying site CaveOfProgramming Derek Banas' Java Playlist accompanying site NewThinkTank Hyperskill is a fairly new resource from Jetbrains (the maker of IntelliJ) Also, don't forget to look at: The official Documentation The official Java Tutorials Our community resources thread If you are looking for learning resources for Data Structures and Algorithms, look into: "Algorithms" by Robert Sedgewick and Kevin Wayne - Princeton University Coursera course: Part I Part II Coursebook Algorithms 4th Edition Your post remains visible. There is nothing you need to do. I am a bot and this message was triggered by keywords like "learn", "learning", "course" in the title of your post. I am a bot, and this action was performed automatically. Please contact the moderators of this subreddit if you have any questions or concerns. More on reddit.com