IntelliJ + External Library + @PropertyKey How To

I am a daily user of IntelliJ IDEA to edit my Java code and Apache Wicket to write my web application. I decided recently to use IntelliJ’s annotations to make my code a little more robust by using @Nullable, @NotNull, @NonNls and @PropertyKey.
In this blog post I explain how to manually add annotation to an external library.
Continue reading