Great Java
Let's begin with this:
And then, and be careful, do not plagarise code:
- https://github.com/iluwatar/java-design-patterns
- https://github.com/javaee-samples/javaee8-samples
- https://github.com/phishman3579/java-algorithms-implementation
And the last of these, well, it's quite a beautiful thing.
Now, who the hell is Joshua Bloch and why should you pay attention to things he says?