Learn about the benefits and drawbacks Optional objects can bring and how to use them to properly refactor your code. Hint: Don't use them with isPresent().
Everyone's salivating over Project Jigsaw, but JDK 9 offers plenty more. From new stream sources and features to enhanced deprecation, see what the kit has to offer.
Learn to be a better Java programmer by mastering Java 8 API design, exposing a well-designed API, making sure that client code can use lambdas, and more.
Here's a look at containerized microservices using Kubernetes to host a Java Spring Boot application, accessing Couchbase with the newest Kubernetes platform.