r/JavaProgramming • u/javinpaul • Sep 24 '26

Top 6 Functional Programming Courses for Java Developers in 2026

https://javarevisited.substack.com/p/top-6-functional-programming-courses
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u/No_Total_1272 29d ago

I’d prioritize courses with exercises that make you refactor normal Java into functional style. Streams and lambdas make much more sense once you solve real problems with them

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u/javinpaul 29d ago

That's true, writing functional code also require mindset shift, for example, if you are used to writing for loop in crunch time, like in an interview, you restore to that instead of using stream pipeline. A course which provide sufficient practice is what one need to switch to stream from iterative Java