Since GKE runs on Kubernetes, we had to do some interesting changes to the server install instructions to use GKE to manage the Docker container pmm-server uses.
Avoid having too many input and output devices on your workbench by using a virtual network computing server, and an accompanying viewer, and a Rasbperry Pi.
The ForkJoin pool was put into place to support parallel streams. Get a look at how the pool works and how the work-stealing algorithm help divide up tasks.
Take a look at how to marshal and unmarshal your Java objects and XML data with JAXB 2.0, a useful tool for generating XML schemas from Java code and vice-versa.