Automation isn't limited to DevOps. With Ansible, you can install what you need on remote machines, including VMs, without much manual work on your part.
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.
This code will help you connect your app to MS Exchange using the EWS Java API. In its current form, the snippet fetches emails and appointments and can be broadened.
Elasticsearch, Logstash, and Kibana (ELK) form an open source stack that has become a a leading log analysis platform to monitor, in this case, OpenStack.
Incorporate external dependencies for your Spring Boot app with a helping hand from Maven. You can package everything together, making it attractive for microservices.