Which @NotNull Java annotation should I use?

Question

I\'m looking to make my code more readable as well as use tooling like IDE code inspection and/or static code analysis (FindBugs and Sonar) to avoid NullPointerExceptions.

Answer 1

If anyone is just looking for the IntelliJ classes: you can get them from the maven repository with

    org.jetbrains
    annotations
    15.0