Design patterns implemented in Java
Just Announced - "Learn Spring Security OAuth":
Everything you need to know to get the job.
Modern Java - A Guide to Java 8
MIT Deep Learning Book in PDF format (complete and parts) by Ian Goodfellow, Yoshua Bengio and Aaron Courville
LeetCode of algorithms with java solution(updating).
FizzBuzz Enterprise Edition is a no-nonsense implementation of FizzBuzz made by serious businessmen for serious business purposes.
From Java To Kotlin - Your Cheat Sheet For Java To Kotlin
A list of useful Java frameworks, libraries, software and hello worlds examples