We've been missing an introduction to using MongoDB from Java for a little while now - there's plenty of information in the documentation, but we were lacking a step-by-step guide to getting started as a Java developer.
I sought to rectify this with a couple of blog posts for the MongoDB official blog: the first, an introduction to using MongoDB from Java, including a non-comprehensive list of some of the libraries you can use; the second, an introductory guide to simple CRUD operations using the Java driver: