SOAP APIs weren't designed for integration, with developer UX in mind. The new SOAP Builder tool converts your SOAP-based endpoint into a unified REST API.
In a close and, at times, contentious vote, the JCP Executive Committee has tabled Project Jigsaw for up to 30 days to work out the tough problems it faces.
Java as a language makes concurrent code look unpleasant. Maybe Kotlin can help. Yet another, although experimental, step would be to use coroutines instead of Futures.
Connection pooling is a great technique for database optimization, and HikariCP is among the best. Let's set up multiple connection pools with different configurations.
Wish you could call up Enums by names or values while ignoring nonexistent ones? Wish you didn't have to deal with exceptions? Without boilerplate? You can!
Flyway makes database versioning almost trivially easy. You can put migration scripts in a directory of choice and the database will be magically migrated for you.
DataSynapse GridServer is a highly scalable infrastructure that enables app services to operate virtually. Learn about working with it and client implementation in Java.
Nitrite is a serverless embedded database ideal for desktop, mobile, or small web applications. Learn the basics of it, how to install it, and how to use it.
If you aren't familiar with Java EE Concurrency Utilities, it's time to take a look at what the specification has to offer. We'll examine how it works with CDI here.
JShell is finally bringing read-eval-print loops to Java! With it, you can code and run functions without executing javac, and it's a great calculator, too!